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A 12-speed cassette range that brings versatility to any rider or road
and in all cases
The 36t ratchet offers 10° of engagement (stock ratchet is 20°)
The contact surface of the bearing and body is processed with smooth edges to create precise synergy
IPX5 Waterproof Rating Ensures Resistance to the Elements and Low Pressure Washers
Wheels MFG T47A Bottom Bracket for Shimano BF Apparel A 12-speed cassette range thatT47a (asymmetrical) threaded BB cups for T47a frames and 24mm diameter spindle compatible cranks. Cups have internal bearings, and can be used in BB shells with widths from 77. 5 79mm. Machined aluminum cups thread together directly into a Cervelo, Factor and Felt T47a BB shell. Bearings are easily serviced or replaced. Includes sleeve to fit between cups for added protection from dirt and grime, and also keeps your internal wires and hoses from