{"product_id":"sram-s150-eagle-transmission-b1-12-speed-crankset-32t-powerspline-spindle-interface","title":"SRAM S150 Eagle Transmission B1 12-Speed 32T Powerspline Boost Crankset","description":"\u003cp\u003eThe SRAM S150 Eagle Transmission crankset brings \u003cstrong\u003eEagle Transmission (T-Type) compatibility to riders at an accessible level\u003c\/strong\u003e, with robust aluminum arms and a sturdy 32T steel T-Type chainring. SRAM offers it in progressively shorter lengths, with a black finish that pairs with Eagle 70.\u003c\/p\u003e\u003cp\u003eThis listing covers the full range: \u003cstrong\u003e155, 160, 165, 170 and 175mm\u003c\/strong\u003e. Every version uses a Powerspline spindle in a 118\/73 Powerspline bottom bracket (sold separately), a 52mm chainline and Boost drivetrain spacing.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMountain riders building or upgrading to SRAM Eagle Transmission\u003c\/li\u003e\n\u003cli\u003eBoost-spaced bikes running a 52mm chainline\u003c\/li\u003e\n\u003cli\u003eSmaller riders and kids' builds that benefit from 155 or 160mm arms\u003c\/li\u003e\n\u003cli\u003eConsider a different crank if your frame needs a DUB bottom bracket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle interface:\u003c\/strong\u003e Powerspline; requires a 118\/73 Powerspline bottom bracket, not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainline and spacing:\u003c\/strong\u003e 52mm chainline, Boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrank length:\u003c\/strong\u003e 155 to 175mm in 5mm steps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eSteel T-Type ring.\u003c\/strong\u003e The 32T 3-bolt direct mount ring is steel and built for Eagle Transmission, so it is made for the T-Type chain rather than earlier Eagle chains.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAluminum arms.\u003c\/strong\u003e Robust aluminum arms keep the crank durable and accessible, and the black finish is chosen to match Eagle 70 components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePowerspline spindle.\u003c\/strong\u003e The spindle runs in a 118\/73 Powerspline bottom bracket, which is sold separately. Confirm your frame accepts it before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShorter length options.\u003c\/strong\u003e The range reaches down to 155mm, which opens Eagle Transmission to riders who need shorter cranks.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Eagle Transmission compatibility with a durable steel ring and lengths down to 155mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Powerspline bottom bracket required and sold separately; steel ring is heavier than aluminum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e Five lengths on one listing, from 155 to 175mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eAt Victory Bicycle Studio we use this listing to compare lengths side by side, then confirm your bottom bracket is a 118\/73 Powerspline before anything ships. Ask us if you are between sizes.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 12 (Eagle Transmission)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainrings:\u003c\/strong\u003e Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing:\u003c\/strong\u003e 32T steel Eagle T-Type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring mount:\u003c\/strong\u003e SRAM 3-bolt direct mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle interface:\u003c\/strong\u003e Powerspline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom bracket required:\u003c\/strong\u003e 118\/73 Powerspline (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainline:\u003c\/strong\u003e 52mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain spacing:\u003c\/strong\u003e Boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrank lengths:\u003c\/strong\u003e 155, 160, 165, 170, 175mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum arms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePedal thread:\u003c\/strong\u003e 9\/16\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSRAM model ID:\u003c\/strong\u003e FC-S150-B1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom bracket:\u003c\/strong\u003e Not included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SRAM","offers":[{"title":"155mm","offer_id":53887208358195,"sku":"00.6118.773.000","price":80.0,"currency_code":"USD","in_stock":false},{"title":"160mm","offer_id":53887208390963,"sku":"00.6118.773.001","price":80.0,"currency_code":"USD","in_stock":true},{"title":"165mm","offer_id":53887208423731,"sku":"00.6118.773.002","price":80.0,"currency_code":"USD","in_stock":true},{"title":"170mm","offer_id":53887208456499,"sku":"00.6118.773.003","price":80.0,"currency_code":"USD","in_stock":true},{"title":"175mm","offer_id":53887208489267,"sku":"00.6118.773.004","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/e9f74514fbcabd4d8f9636f59e0e442798ed1d44.jpg?v=1782154728","url":"https:\/\/victorybicyclestudio.com\/products\/sram-s150-eagle-transmission-b1-12-speed-crankset-32t-powerspline-spindle-interface","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}