CeramicSpeed BSA Road Bottom Bracket - English Thread, 68mm, 24mm Spindle, Coated Races, Black Apparel_Eyewear New patent pending Speedfil Z4

New patent pending Speedfil Z4 Cage is the first cage optimized for BTA (Between-The-Arms) aero hydration

and reliability to meet the demands of everyday cycling

Pursuit Reach: 180mm (center to tip)

Restores moisture and shine

No artificial dyes or added fragrances

CeramicSpeed BSA Road Bottom Bracket - English Thread, 68mm, 24mm Spindle, Coated Races, Black Apparel_Eyewear New patent pending Speedfil Z4BSA is another way of stating English threading; it comes from British Standard Cycle. 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 works with 24mm diameter thru axle cranks, found on Shimano, FSA, Rotor, among others. Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened steel