Sunrace M503 Trigger Shifter DLM503 Right 8sp 2 to 1 Blk 144g Weight-421g Tubeless optimization bead-stiffness and bead

Tubeless optimization bead-stiffness and bead diameters tuned for use with straight-sidewall (TSS) or hookless-bead and hooked-bead rim designs alike

Aerocore design

The new SmartEVO Compound enhances performance on wet and cold tarmac while the new TechBELT construction continues to provide the handling and racing feeling that made the P ZERO family famous all over the world

Bash rings

Sunrace M503 Trigger Shifter DLM503 Right 8sp 2 to 1 Blk 144g Weight-421g Tubeless optimization bead-stiffness and beadTrigger shifter with optical gear display window . Push Pull style shifter mechanism with composite small lever and aluminum large lever. Right hand shifters can shift up to 5 gears per shift. Slick galvanized cable included TECH SPECS Vendor Sunrace Manufacture Number DLM503. R800. 0S0. BX Model Name M503 Trigger Shifter Category Shifters