SRAM Red Ergodynamic shitfter on the OPQS SL4
SRAM Red Ergodynamic shitfter on the OPQS SL4
Written by Simon
Simon Whiten (London and Northumberland, UK) has been riding for over 20 years and raced the road and the track extensively in the UK and Europe. He is obsessed with the turbo trainer and the ‘shortcut to race fitness’.