Sram PC1091R Chain-Silver neck-braces A note on sizing: These

A note on sizing: These 30mm spindle cranks are designed for smaller-sized racers

Rim Center Offset: 0 mm

Process Cold-Forged

1 1/8" - Standard 1 1/8th Upper and Lower

Backsweep: 10 degrees

Sram PC1091R Chain-Silver neck-braces A note on sizing: ThesePRODUCT DETAILS The 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.