Sram PC-1051 10-spd Chain bulky this is a "B" match

this is a "B" match which indicates that the parts are usable

It has been on the market for over 100 years

X4 offers precise steering

Works great under helmets - Will not lose shape or stretch

2 mm thick walls

Sram PC-1051 10-spd Chain bulky this is a "B" matchNo weakest link. SRAM'S new Super Narrow 10 speed Power Chain features the PowerLock connecting link the only secure toolless attachment device for a sub 6mm chain in todays market. The SRAM PC1051 chains feature either our hollow pin construction or solid rivet pin construction. Compatability extends to industry standard 10 speed systems. Compatible Gears: 10 Closing Link: PowerLock tool less connecting link Outer Plate: Nickel Silver Inner Plate: