Shimano 105 RD-7150 Rear Derailleur Bracket Axle Unit Labeled Size-650b x 54 / 27.5 x 2.10 Front-specific rack fits tires up

Front-specific rack fits tires up to 29 x 2

Featuring some of the lowest stack height bearing cover options available with premium stainless steel Hellbender bearing and 6061 T-6 Aluminum cups and covers the Hellbender 70 Slam is a premium headset created for riders seeking to lower their handlebars as low as possible without compromising bearing longevity and proper preload

The Shimano Alivio SL-M3100-R Right Shifter provides responsive rear shifting for 9-speed mountain bike drivetrains

High durability and good cornering grip due to large and stable blocks

Compatible with 1-1/8` forks

Shimano 105 RD-7150 Rear Derailleur Bracket Axle Unit Labeled Size-650b x 54 / 27.5 x 2.10 Front-specific rack fits tires upShimano Miscellaneous Rear Derailleur PartsFor repairs on Shimano Rear Derailleur