Replaceable Derailleur Hanger / Dropout 316Upgrade or replacement rear derailleur dropouts; stiffer and more rigid to improve shifting performance CNC machined from solid 6061 aluminium to exact tolerances Stiffer than any original equipment hanger which improves shifting performance Still breaks before your frame does to perform its main function Direct replacement for original equipment with guaranteed fit Black anodised for extra scratch and damage resistance Laser etched for easy part

Dual Bluetooth connectivity enables simultaneous pairing with multiple devices—ideal for concurrent use with cycling computers and smart trainers

The CNC Alloy BB Tool is compatible with our CNC ROD

namely the durable carbon black tread mixture

Updated to be more accurate and longer lasting

Carbon fiber shell

providing an extremely durable compound for riders

we recommend having the bottom bracket installed by a professional bike shop to ensure perfect alignment and fit

Sternum strap with iconic Chrome buckle

Size: Up to 700c

Crankset: SRAM Force 1 Carbon

High Flash

R4 has a new