First Components Y7946S Hollowtech II Threaded Aluminum Ceramic Bottom Bracket 79mm 24mm Axle for Shimano Speed_11 (SP-15) Water resistant： IPX4 Other：

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

while obtaining vigorous stiffness and strength

FOR RPM CADENCE

Sufficient gaps for amazing self-cleaning properties

First Components Y7946S Hollowtech II Threaded Aluminum Ceramic Bottom Bracket 79mm 24mm Axle for Shimano Speed_11 (SP-15) Water resistant： IPX4 Other：Y7946S 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.