SKU: 79793986811
Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
Whether you're navigating city streets
BB90 is the Trek oversized bottom bracket standard and is only found on Trek road bikes
3D printed silicone grippers
aka English threading
CeramicSpeed BSA30 Bottom Bracket - BSA Thread, 30mm Spindle, Black Standard Bearing Bike Accessories_Basebar Whether you're navigating city streetsBSA comes from British Standard Cycle, aka English threading. English threading on road bikes means a 68mm wide, 34mm inside diameter shell with reverse threading on the drive side. Its the most common threaded standard employed today. This kit allows you to fit 30mm thru axle cranks, like those from Rotor, to fit in the tight space of this 34mm spindle. Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened steel
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