Promax DA-230 31.8mm Length 60mm w/Light Mount Black Model=Helix Race E*Spec Bosch Gen 4 Aluminum Chainring HG 8-11sp: Not compatible with

HG 8-11sp: Not compatible with HG 11sp road cassettes

Cassette Cogs 11-12-14-16-18-21-26-32 Color Silver Cassette Body Type Shimano/SRAM 8 9 10 Speed Drivetrain Speeds 8 Range 11-32 Defined Color Silver Weight 275

By developing it to be virtually indistinguishable from a standard water bottle cage

Apply a second coating for peak performance

Promax DA-230 31.8mm Length 60mm w/Light Mount Black Model=Helix Race E*Spec Bosch Gen 4 Aluminum Chainring HG 8-11sp: Not compatible withDA 230 stem holds your bar securely in place for better comfort and control and features an integrated mount to provide an easy way to add some light when the sun goes down. Length 60 Bar Clamp Diameter (mm) 31. 8 Color Black Material Aluminum Defined Color Black S. H. I. S. Stem Clamp Diameter 28. 6