Sram PC1091R Chain-Silver u-brake-levers-990 The two compound pads have

The two compound pads have a finned design for better airflow to keep the heat down under hard braking

Alternating rib patterns for a soft feel while maintaingin a small diameter

Proprietary Plastic Non Drive Side Hub Guard

Box Two Center Clamp Stem Specification Size Clamp Hardware Material Other Rise Steerer Tube Weight Size: 40mm Clamp: 22

Sram PC1091R Chain-Silver u-brake-levers-990 The two compound pads havePRODUCT 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.