The Bontrager Blendr SRM Power Meter Head Unit Mount gives a secure & stable attachment for your SRM Head Unit. Blendr is the ultimate integration system for clean & easy installation of lights, computers, & other accessories. Start with a Blendr stem, add the appropriate base, & finish with the Blendr SRM Mount for a clean, flush. Features Blendr is an elegant, integrated accessory mounting solution Provides clean & secure mount for SRM head unit Works with any Blendr-compatible stem & the accompanying base For use with Blendr bases (Pro, XXX, XXX bar/stem, & select Elite bases)