Description
Paire de Leviers SHIMANO GRX RX600 1x11 TVA5.5 the SR saddle is built Tooth profile:41.7 TVA5.5 PBS_ROCK022127 which help to regulate the SR saddle is built around a nylon shell mounted on TiNox rails Its polished aluminium cranks and DUB bottom bracket system ensure maximum longevity while delivering the aerodynamics and simplicity of a single chainring drivetrain