CeramicSpeed BSA30 Road bottom bracket, black
BSA comes from British Standard Cycle, aka English threading. English threading on road bikes means a tire with a width of 68 mm and an inner diameter of 34 mm with reverse threading on the drive side. It is the most common thread standard today. This kit allows you to mount 30mm thru-axle cranks, such as those from Rotor, to fit into the tight space of this 34mm spindle. Choose from two bowl bearings. Standard bearings have low resistance thanks to hardened steel grooves and our ceramic balls. Coated bearings have identical balls installed on coated hardened steel rings for longer life and less bearing drag. In the box: 2 threaded cups with bearings installed 2 1mm spacers 2 0.5mm spacers 2 dust caps O-ring All Round Grease Decal Spacertube
Suitability | Road |
Type of assembly | BSA |
Axis type for cranks | BB30 (⌀ - 30 mm) |
Frame width | 68 mm |
product ID | 332529 |

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