Aluminum Preload Assembly For Sram 30mm CranksFor Sram 30mm Crank Preloader The CNC machined bearing Pre loader unit only compatible with the SRAM BB30 PF30 crank: it fits with 30 mm axle spindle diameter. The Spindle Pre Load Assembly consists of an aluminum outer preload ring, and a aluminum hex fastening bolt. Dcbikes Product Technical Information: Compatibility: For SRAM cranks with 30mm axle diameter Colours : Red Green Blue Black Purple Note Plastic black thread ring is not included. You

and the minor diameter 38mm

Constructed of high-strength machined T6 aluminum alloy

Dirt Jumper

Crown Race Reducer

Wheel size: 20" (406mm)

Safe on carbon fiber

Type: Aftermarket Free Hub Body Driver for Shimano 12s micro spline

Pressure (PSI) 58/22

Top stack height: 16mm

Chain Compatibility: Super Narrow HG for 9-speed

High-quality 1x12-speed rear derailleur for precise and fast gear changes: XT RD-M8100 from Shimano

Hardness:HB150