All are compatible with either standard 190x51mm or 190x45mm metric shocks

This real-time pressure data can be used to make decisions that can affect rolling resistance

Unique flange design reduces dish requirement and minimises tension range between drive side and non-drive side spokes

As the gravel segment expands

Full-length leg eliminates the need for knee sleeves used with knee braces and knee guards

SRAM PC 1091R Hollowpin 10 Speed Chain - 10 Speed - Silver eBay All are compatible with eitherThe newest 1091R chain features more heavily chamfered outer plates for improved shifting and quieter running. Other advancements include a new inner plate finish plus chrome hardened pin construction, both for longer chain life. The HollowPin construction of SRAM's 10 speed PowerChain provides smooth, precise shifting and weight savings without sacrificing strength. HollowPin. We employ HollowPin construction on all SRAM top of the line PowerChains.