5800-gs 105 Pulley Set ESD-SURF It is best used as

It is best used as an on-bike emergency repair tool for roadside mechanicals

Complete your kit with bib shorts from Northwave or a complementary brand for a consistent fit

Designed for Shimano Ultegra R8000-series hydraulic disc calipers

Titanium construction resists corrosion well — an advantage during India's monsoon season or sweaty summer rides in Chennai and Hyderabad

muddy contamination common during Indian monsoon season

5800-gs 105 Pulley Set ESD-SURF It is best used asDerailleur pulleys are small components that take a disproportionate beating on Indian roads. Dust, monsoon grime, and the sustained heat of a Pune or Chennai summer all accelerate wear on these hardworking guides. The Shimano 5800 GS 105 Pulley Set is a factory spec replacement that restores crisp, precise shifting to your 105 groupset without the cost of a full drivetrain overhaul. Use Cases Daily training. Reliable use across Indian training