By: 
Description
- Personalize your bike with SUMC’s high-performance chain.
- Vacuum Coated The robust, color coating is wear-resistant and anti-corrosive, so your chain will last longer.
- Double “X” bridge-shaped outer plate The outer plate design lets you shift smoothly between gears and get better power transfer.
- Hollow design SUMC’s premium SL series bike chain is hollow to reduce weight, yet it keeps its strength.
