First Components Y7946S Hollowtech II Threaded Aluminum Ceramic Bottom Bracket 79mm 24mm Axle for Shimano Speed_11 while obtaining vigorous stiffness and

while obtaining vigorous stiffness and strength

(SP-15) Water resistant： IPX4 Other： Battery auto save

4" Non-air gap screen

This new compound decreases rolling resistance while improving tread wear and cornering performance

First Components Y7946S Hollowtech II Threaded Aluminum Ceramic Bottom Bracket 79mm 24mm Axle for Shimano Speed_11 while obtaining vigorous stiffness andY7946S BBRight bottom bracket threaded FIRST Y7946S, for 79mm center, 24mm axle, aluminum, for SH Hollowtech II key Model: Y7946S Diameter of crank axis: 24 mm For the middle of the width: 79 mm Bowls: ID 46mm, aluminum Housing: threaded, aluminum Weight: 143 g Color: black BBRight threaded bottom bracket for 79mm center and 24mm axle. The bottom bracket is compatible with the Shimano Hollowtech II key. Made in Taiwan.