{"title":"Cassettes \u0026 Freewheels","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/files\/CASSETTES_DOF_ISSUE_RESHOOT-sqr02_600x_cb38d55a-61bd-4cfa-86b1-4b8a80d9c447_160x160.jpg?v=1550178819\" alt=\"cassettes\" style=\"margin-right: 10px; float: left;\" width=\"160x160\" height=\"160x160\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: left;\"\u003eCassettes are the rear gears on modern bikes (post-1988). We carry both 8-speed and 9-speed Shimano cassettes with long-wearing steel cogs, but for complete bike builds, can get 10 and 11 speeders, too.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eTo install and remove, you need skills and tools. When we assemble your bike, we do that for you.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eHere's a \u003ca href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\" target=\"_blank\" title=\"gear inch calculator chart\" rel=\"noopener noreferrer\"\u003egear inch calculator chart \u003c\/a\u003efor those that think in gear inches\u003c\/p\u003e","products":[{"product_id":"cassettes","title":"CASSETTES - 9 speed - Shimano","description":"\u003cp\u003eWe offer wide-range 9 speed silver cassettes that come with either an 11 or 12 tooth top gear, made by Shimano. They index and friction shift great. You need \u003ca href=\"https:\/\/www.rivbike.mom\/collections\/tools\/products\/park-cassette-tool-fr-5g-19054\" target=\"_blank\"\u003ethis tool \u003c\/a\u003eto remove and install it.\u003c\/p\u003e\n\u003cp\u003e(\u003ca href=\"https:\/\/www.rivbike.mom\/products\/cassette-shimano-8-speed-11-34-13107\" target=\"_blank\" rel=\"noopener\"\u003eShimano 8 speed cassettes are now here\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.rivbike.mom\/products\/cassettes?variant=40809557327983\" target=\"_blank\"\u003e\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e11-13-15-17-19-21-24-28 (hg51) \u003cem\u003ediscontinued\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e11-13-15-17-19-21-24-28-32 (hg201) \u003cem\u003ediscontinued\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e11-13-15-17-20-23-26-30-34 (hg201) \u003cem\u003ediscontinued\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e11-12-13-14-16-18-21-24-28 (hg400)\u003c\/p\u003e\n\u003cp\u003e11-12-14-16-18-21-24-28-32 (hg400)\u003c\/p\u003e\n\u003cp\u003e11-13-15-17-20-23-26-30-34 (hg400)\u003c\/p\u003e\n\u003cp\u003e11-13-15-17-20-23-26-30-36 (hg400)\u003c\/p\u003e\n\u003cp\u003e12-14-16-18-21-24-28-32-36 (hg400)\u003c\/p\u003e\n\u003cp\u003e11-12-14-16-18-21-24-28-32 (deore xt m770)\u003c\/p\u003e\n\u003cp\u003e11-13-15-17-20-23-26-30-34T(deore xt m770)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCheck out our \u003ca href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\" target=\"_blank\"\u003egear inch calculator\u003c\/a\u003e if you really want to fine tune your gearing.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"cassettes","offers":[{"title":"9 Speed 11-28t (hg400)","offer_id":23335007169,"sku":"cs-13096","price":42.0,"currency_code":"USD","in_stock":true},{"title":"9 Speed 11-32t (hg400)","offer_id":23335007105,"sku":"cs-13086","price":42.0,"currency_code":"USD","in_stock":true},{"title":"9 Speed 11-34t (hg400)","offer_id":40809557327983,"sku":"cs-40034","price":44.0,"currency_code":"USD","in_stock":true},{"title":"9 Speed 11-36t (hg400)","offer_id":41092824268911,"sku":"cs-4009136","price":44.0,"currency_code":"USD","in_stock":true},{"title":"9 Speed 12-36t (hg400)","offer_id":23335007233,"sku":"cs-13098","price":44.0,"currency_code":"USD","in_stock":true},{"title":"9 Speed 11-32t (Deore XT M770)","offer_id":40986495320175,"sku":"cs-XT932","price":90.0,"currency_code":"USD","in_stock":true},{"title":"9 Speed 11-34t (Deore XT M770)","offer_id":40986495352943,"sku":"cs-XT934","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/products\/cassette-8spd-13050-11-32.jpg?v=1784740329"},{"product_id":"cassette-shimano-8-speed-11-34-13107","title":"Cassette, Shimano 8 speed wide range","description":"\u003cp\u003eVarious 8 speed cassettes made by Shimano\u003c\/p\u003e\n\u003cp\u003e(Go \u003ca rel=\"noopener\" href=\"https:\/\/www.rivbike.mom\/products\/cassettes\" target=\"_blank\"\u003ehere for 9 speed Shimano cassettes\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003e--\u003c\/p\u003e\n\u003cp\u003eHG51, silver, 8 speed, 11-13-15-18-21-24-28-32 \u003c\/p\u003e\n\u003cp\u003e--\u003c\/p\u003e\n\u003cp\u003eAug 23, 2017 - Oh, neat!  Shimano now makes a fancier and prettier 8s 11-34 cassette in Silver, yay! \u003c\/p\u003e\n\u003cp\u003eHG50, 8-SPEED, 11-13-15-18-21-24-28-34T SILVER\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e------------\u003c\/p\u003e\n\u003cp\u003eOctober 28, 2022\u003c\/p\u003e\n\u003cp\u003eFor the many multitudes of 8 speed riders out there, here's a new, cool, inexpensive super-wide range option: 11-40!!!  Use this cassette with a derailer such as the \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.rivbike.mom\/products\/derailer-rear-shimano-acera-m3020?_pos=1\u0026amp;_psq=m3020\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\"\u003eAcera M3020\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e CS-HG400-8, 8-SPEED, 11-13-15-18-22-27-33-40T\u003c\/p\u003e\n\u003cp\u003e------------\u003c\/p\u003e\n\u003cp\u003eApril 2, 2024\u003c\/p\u003e\n\u003cp\u003eShimano is going even wider and lower with this 11-45 8 speed cassette; amazing!\u003c\/p\u003e\n\u003cp\u003e CS-HG400-8, 8-SPEED, 11-13-15-18-22-27-35-45T \u003c\/p\u003e\n\u003cp\u003ePlease use this inexpensive and super huge wide range cassette with the \u003ca href=\"https:\/\/www.rivbike.mom\/products\/derailer-rear-shimano-essa?_pos=2\u0026amp;_psq=essa\u0026amp;_ss=e\u0026amp;_v=1.0\" rel=\"noopener\" target=\"_blank\"\u003eEssa RD\u003c\/a\u003e.  This cassette is much lighter than you think (eventually insert weight here -451.6 grams-, not that it really matters).  Thank you Shimano for making this cassette and not charging $679 for it.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCheck out our \u003ca href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\" target=\"_blank\"\u003egear inch calculator\u003c\/a\u003e if you really want to fine tune your gearing.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"cassettes","offers":[{"title":"HG51 11-32 SILVER","offer_id":53871188312175,"sku":"cs-13050","price":28.0,"currency_code":"USD","in_stock":true},{"title":"HG50 11-34 SILVER","offer_id":41336095885,"sku":"cs-13107SIL","price":26.0,"currency_code":"USD","in_stock":true},{"title":"HG400 11-40","offer_id":41003159158895,"sku":"cs-4008140","price":41.0,"currency_code":"USD","in_stock":true},{"title":"HG400 11-45 essa","offer_id":41663516868719,"sku":"cs-4008145","price":41.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/files\/9fa1d121df076c3eb3b212862eefd75be92630b8.jpg-650Wx650H.jpg?v=1712079374"},{"product_id":"no-discontinued-white-industries-dos-freewheel","title":"White Industries DOS Freewheel","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e------ \u003c\/p\u003e\n\u003cp\u003eIt's a two-cog freewheel for Quickbeam \/ Simpleone \/ Roaduno and other single-speed bikes. Machined, precise, smooth, sealed, quiet, perfect, and pretty. After seeing how much it costs, you might think it wins the prize for the most dollars per cog of any freewheel ever made, but you'd be wrong there; White Industries also makes a single-speed freewheel that's a little cheaper. If you ride your derailleur-less bike a lot and in hilly places, it's a good toy. Changing gears with hands is a cinch. Available in 16x18, 17x19, and now 20x22.\u003c\/p\u003e\n\u003cp\u003eUse only 3\/32\" chain (no 1\/8\").\u003c\/p\u003e\n\u003cp\u003eNote:  The 16x19 is recommended only for our Quickbeam \/ Simpleone \/ Roaduno since the large cog difference results in lots of wheel movement to take up the chain slack.  Only our Quickbeam \/ Simpleone, with their special angled dropout, can handle that much wheelbase change without the brake pads getting too out of place in relationship to the rims.\u003c\/p\u003e\n\u003cp\u003eStandard 36 point\/10 degree engagement.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote: All freewheels can use either 3\/32” or ⅛” chains except 16T single and all DOS freewheels\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eCheck out our \u003ca href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\" target=\"_blank\"\u003egear inch calculator \u003c\/a\u003eif you want to fine tune your gearing.\u003c\/p\u003e","brand":"White Industries (792)","offers":[{"title":"16 x 18t","offer_id":23335669377,"sku":"fw2-1618","price":160.0,"currency_code":"USD","in_stock":true},{"title":"17 x 19t","offer_id":23335669505,"sku":"fw2-1719","price":160.0,"currency_code":"USD","in_stock":false},{"title":"20 x 22t","offer_id":40813163315311,"sku":"fw2-2022","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/products\/fw2-3.jpg?v=1552003197"},{"product_id":"ss-cogs","title":"SingleSpeed cogs, ss","description":"\u003cp\u003eSteel Cogs are splined for BMX and single speed hub compatibility. Totally basic, nothing fancy.  Some are made by Shimano, some by Dimension. We send whatever we have; they're both fine. \u003c\/p\u003e\n\u003cul class=\"bullet-points bullet-points-collapsed\"\u003e\n\u003cli\u003eSteel with chrome finish\u003c\/li\u003e\n\u003cli\u003eCogs are splined for Shimano BMX and singlespeed hub compatibility\u003c\/li\u003e\n\u003cli\u003eCompatible with 1\/2\" x 1\/8\" and 1\/2\" x 3\/32\" 6s, 7s, 8s chains\u003c\/li\u003e\n\u003cli\u003eOnly for use on Shimano hyperglide or Sram cassette freehub bodies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheck out our \u003ca href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\" target=\"_blank\"\u003egear inch calculator\u003c\/a\u003e if you want to fine tune your gearing.\u003c\/p\u003e","brand":"cassettes","offers":[{"title":"16t, shimano dxr","offer_id":575679823885,"sku":"css16","price":15.0,"currency_code":"USD","in_stock":true},{"title":"18t, shimano dxr","offer_id":575679889421,"sku":"css18","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/products\/cassette-ss-cog-1.jpg?v=1552003022"},{"product_id":"wheels-manufacturing-freehub-body-spacers-ss","title":"Cassette spacer","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSpacers for Shimano \u0026amp; SRAM compatilble cassette freehub for single speed or 7\/8\/9\/10 speed index drivetrains.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e--------------------------------------\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUse two 1 mm steel spacers if you want to put an 8 or 9 speed cassette on a 10\/11 speed cassette body.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e--------------------------------------\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUse one 4 mm aluminum spacer to use a 7 speed cassette on a 8\/9 speed cassette body.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e--------------------------------------\u003c\/p\u003e\n\u003cp\u003eWheels Manufacturing freehub body spacers (bag of 9)\u003c\/p\u003e\n\u003cp\u003eSingle speed spacer kit for Shimano\/Sram cassette bodies. Polished silver aluminum.\u003c\/p\u003e\n\u003cp\u003eIncludes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e7 - 4.5mm spacers\u003c\/li\u003e\n\u003cli\u003e2 - 1mm spacers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #993300;\"\u003e\u003cem\u003e\u003cstrong\u003e* Cog not included\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #993300;\"\u003eSSK-1\u003c\/span\u003e\u003c\/p\u003e","brand":"cassette spacer","offers":[{"title":"1.0 mm steel (each)","offer_id":40740204904559,"sku":"css-1.0","price":1.0,"currency_code":"USD","in_stock":true},{"title":"4.0 mm aluminum (each)","offer_id":40671170756719,"sku":"css-4.5","price":5.0,"currency_code":"USD","in_stock":true},{"title":"Wheels MFG single speed kit (bag of 9)","offer_id":40671170461807,"sku":"cwmssk","price":38.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/products\/cassette-ss-spacers-1.jpg?v=1552003024"},{"product_id":"freewheel-shimano-pore-hg37-7sp-13-28","title":"Freewheel, Shimano","description":"\u003cp\u003eShimano freewheels\u003c\/p\u003e\n\u003cp\u003eBrownish gold cogs (color, not material) with a black big one. Reliable Shimano removal system.  Anyway, Shimano backs 'em, so they're good.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003enew for 2020: they are all (mostly) silver, not brownish, they come with a removable pie plate spoke protector, and there's a 6 speed x 14-28 option, neat.\u003c\/p\u003e\n\u003cp\u003e ====\u003c\/p\u003e\n\u003cp\u003e6s x 14-28 \u003cspan class=\"productcode\"\u003eEMFTZ5106428CP\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"productcode\"\u003e14-16-18-21-24-28 \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e====\u003c\/p\u003e\n\u003cp\u003e7s x 14-28 \u003cspan class=\"product-code\"\u003eEMFTZ5107428CP\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e14-16-18-20-22-24-28 \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e ====\u003c\/p\u003e\n\u003cp\u003e7s x 14-34 EMFTZ5107434CP\u003c\/p\u003e\n\u003cp\u003e14-16-18-20-22-24-34 \u003cbr\u003e\u003c\/p\u003e","brand":"SHIMANO AMERICA CORPORATION (23)","offers":[{"title":"6s x 14-28 silver","offer_id":31970103787631,"sku":"FW6-1428","price":16.0,"currency_code":"USD","in_stock":true},{"title":"7s x 14-28 silver","offer_id":8122179387503,"sku":"fw7-1428","price":17.0,"currency_code":"USD","in_stock":true},{"title":"7s x 14-34 silver","offer_id":12349023256687,"sku":"fw7-1434","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/products\/cassette-7spd-1.jpg?v=1598377709"},{"product_id":"white-industries-single-freewheel","title":"White Industries SINGLE speed Freewheel","description":"\u003cp\u003e White Industries SINGLEspeed Freewheels, ss\u003c\/p\u003e\n\u003cp\u003e------ \u003c\/p\u003e\n\u003cp\u003eReally good, very strong, rebuildable, and MUSA.  White Industries has been making these since 2002.\u003c\/p\u003e\n\u003cp\u003eThe ultimate ss choice for your Roaduno and Quickbeam.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cb\u003eNote: All freewheels can use either 3\/32” or ⅛” chains except 16T single and all DOS freewheels\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThreads: 1.375” x 24TPI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eENO single and DOS ENO double freewheels have 3 pawls and 36 points of engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStandard 36 point\/10 degrees of engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRed Lockring color\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFreewheel measurements for chainline calculations:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAll freewheels are 18.4mm wide\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOn ENO single freewheels (standard and Trials) center of teeth are 9mm from the inner base of the threads\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheck out our \u003ca href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\" target=\"_blank\" data-mce-href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\"\u003egear inch calculator \u003c\/a\u003eif you want to fine tune your gearing.\u003c\/p\u003e","brand":"White Industries (792)","offers":[{"title":"16 teeth","offer_id":41099383439471,"sku":"FWSS16T","price":130.0,"currency_code":"USD","in_stock":false},{"title":"17 teeth","offer_id":41099383472239,"sku":"FWSS17T","price":130.0,"currency_code":"USD","in_stock":false},{"title":"18 teeth","offer_id":41099383505007,"sku":"FWSS18T","price":130.0,"currency_code":"USD","in_stock":true},{"title":"19 teeth","offer_id":41099383930991,"sku":"FWSS19T","price":130.0,"currency_code":"USD","in_stock":true},{"title":"20 teeth","offer_id":41099383963759,"sku":"FWSS20T","price":130.0,"currency_code":"USD","in_stock":false},{"title":"21 teeth","offer_id":41099383996527,"sku":"FWSS21T","price":130.0,"currency_code":"USD","in_stock":true},{"title":"22 teeth","offer_id":41099384029295,"sku":"FWSS22t","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/files\/single-main-scaled-1200x1600.jpg?v=1718999936"},{"product_id":"shimano-mx30-single-speed-freewheel","title":"Shimano MX30 Single Speed Freewheel","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable class=\"table pdp-spect-table\" id=\"js-bike-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOMPATIBLE CHAIN\u003c\/td\u003e\n\u003ctd\u003e1\/2\" x 3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSERIES\u003c\/td\u003e\n\u003ctd\u003eMX30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGENERATION\u003c\/td\u003e\n\u003ctd\u003eNon-Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNUMBER OF SPEEDS\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCASSETTE OR FREEWHEEL\u003c\/td\u003e\n\u003ctd\u003eSingle sprocket freewheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e 1.37 x 24TPI\u003c\/p\u003e\n\u003cp\u003eUse \u003ca rel=\"noopener\" href=\"https:\/\/www.rivbike.mom\/products\/park-ss-freewheel-remover-fr-6-19080\" target=\"_blank\"\u003ethis 4 prong tool\u003c\/a\u003e to take the ss freewheel off.\u003c\/p\u003e\n\u003cp\u003eMade in Japan?! Yes, really, neat.\u003c\/p\u003e\n\u003cp\u003eshimano fw\u003c\/p\u003e\n\u003cp\u003eCheck out our \u003ca href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\" target=\"_blank\"\u003egear inch calculator \u003c\/a\u003eif you want to fine tune your gearing.\u003c\/p\u003e","brand":"SHIMANO AMERICA CORPORATION (23)","offers":[{"title":"16 teeth","offer_id":42351913762927,"sku":"ISFMX3016","price":45.0,"currency_code":"USD","in_stock":true},{"title":"17 teeth","offer_id":42351913795695,"sku":"ISFMX3017","price":48.0,"currency_code":"USD","in_stock":true},{"title":"18 teeth","offer_id":42351913828463,"sku":"ISFMX3018","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/files\/9d470fcff4875128df542a56f24907c1d5ed1cec.jpg-818Wx818H.jpg?v=1719869043"},{"product_id":"sunrace-11-46-9-speed-cassettes","title":"Sunrace 11-46 9 speed cassettes","description":"\u003cp\u003eThese are great looking wide-range 9 speed cassettes. We bought them in the early Hillibike days but never used them, probably because we didn't know what derailer to pair them with for friction shifting. They're here and discounted from their regular retail price, but it's on you to figure that one out. The Shimano Essa rear derailer we sell will likely work, or you can just get indexed stuff. \u003c\/p\u003e\n\u003cp\u003eThese come with a thick spacer that almost looks like packaging, but it isn't. You need dat. Slide it on the freehub body before the cassette. \u003c\/p\u003e\n\u003cp\u003eCogs: \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e11-13-15-18-22-28-34-40-46\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSunrace calls these the CSM983\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e554 grams\u003c\/span\u003e\u003c\/p\u003e","brand":"Rivendell Bicycle Works","offers":[{"title":"Default Title","offer_id":43697025384559,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/files\/Sunracecassette-2_3aa2d4ac-44f5-4aed-94a5-19546f0c242c.jpg?v=1759508021"},{"product_id":"sunrace-11-50-9-speed-cassettes","title":"Sunrace 11-50 9 speed cassettes","description":"\u003cp\u003eThese are great looking wide-range 9 speed cassettes. We bought them in the early Hillibike days but never used them, probably because we didn't know what derailer to pair them with for friction shifting. They're here and discounted from their regular retail price, but it's on you to figure that one out. Maybe one of those drop tabs? Or just use the corresponding indexing stuff, which we don't sell but is widely available. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eupdate November 13th, 2025\u003c\/em\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe got this email from customer Winter, who is using Silver2 shifters:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"auto\"\u003e\u003cem\u003eThe product page for this cassette says something about it being hard to get set up friction. I purchased the matching derailleur from elsewhere, and set it up friction. Like a super wide range double, shifting up the larger jumps was a little clunky in the stand but everything smooths out on the road. It’s super doable!\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\u003cem\u003e-Winter\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\u003c\/div\u003e\n\u003cp\u003eThese come with a thick spacer that almost looks like packaging, but it isn't. You need dat. Slide it on the freehub body before the cassette. \u003c\/p\u003e\n\u003cp\u003eCogs: \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e11-13-15-18-22-28-34-42-50\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSunrace calls these the CSM983\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e655 grams\u003c\/span\u003e\u003c\/p\u003e","brand":"Rivendell Bicycle Works","offers":[{"title":"Default Title","offer_id":43697100521583,"sku":null,"price":50.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/files\/october32025-1_4925ec05-38b5-4f68-8b11-c4dd643cbd43.jpg?v=1759516143"},{"product_id":"cassettes-microshift","title":"Cassettes - Microshift 9 speed","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThese are both 9speeders, made by Microshift, famous for being the maker of the SILVER OM-1 rear derailer. As cassettes go, they are as good as they need to be, for any purpose and any rider. Microshift’s best.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe 11x36 is a stock Microshift cassette, so we can sell it for $30. You don’t get a box with multi-language 5pt type instructions for that. Don’t buy if you require anything more than a cassette.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe 11x38’er is a stock Microshift ratio, and we like it because the OM-1 derailer, officially rated to 34t, shifts to it fine WHEN YOU SCREW IN THE B-ADJUST SCREW, and we show you how. We dont stock the stock Microshift 11x38, because it's all black and looks a bit on the funky side. To get the six silver cogs, we had to buy 500 at a whack, and pay more, so this one costs $40. Also boxless.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e==\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eShimano and SRAM both have cassettes that cost $500 (SRAM) to $600 (Shimano).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThese Microshift cassettes are essentially as good as cassettes need to be, and they cost less than one-tenth as much as the most expensive cassettes. (You can buy near or exact cassettes for “our price,” though.) True, the outrageous models are a hair lighter and have twelve to thirteen cogs. But cogs are cheap, “a hair lighter” is unimpressive and unimportant in the real world. The cost per cog is too high, and nobody actually needs a 12- or 13-cog cassette. The fact that they exist is somewhere on the spectrum between baffling and just a sign of the times.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 11-36 is 11-13-15-18-21-24-28-32-36\u003c\/p\u003e\n\u003cp\u003eThe 11-38 is 11-13-15-18-21-24-28-32-38\u003c\/p\u003e\n\u003cp\u003eCheck out our \u003ca href=\"https:\/\/www.rivbike.mom\/pages\/gear-inch-calculator\" target=\"_blank\"\u003egear inch calculator\u003c\/a\u003e if you really want to fine tune your gearing.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 11-36 weighs 483 grams, and the 11-38 weighs 485 grams. We don't care much about weights, but we thought it was interesting that the 11-38 is only two grams more. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"cassettes","offers":[{"title":"11-36","offer_id":53505071841391,"sku":"MSCASS1136","price":30.0,"currency_code":"USD","in_stock":true},{"title":"11-38","offer_id":53505071874159,"sku":"MSCASS1138","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/files\/MSCASSETTE-7.jpg?v=1783020813"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1403\/7343\/collections\/CASSETTES_DOF_ISSUE_RESHOOT-sqr02.jpg?v=1500488069","url":"https:\/\/www.rivbike.mom\/collections\/cassettes.oembed","provider":"Rivendell Bicycle Works","version":"1.0","type":"link"}