Sram PC-971 9-Speed Chain Silver/Gray recumbant a smart phone or other

a smart phone or other items

Stack height of 40mm

The TICKR heart rate monitor accurately tracks your heart rate and calorie burn during any activity or workout

making it easy to carry

Cylindrical contact area sheds mud better for consistent stepping-in & out

Sram PC-971 9-Speed Chain Silver/Gray recumbant a smart phone or otherExtremely strong. Incredibly precise. SRAM's PowerChain II increases front and load shifting performance without sacrificing rear shifting precision. The Step2 riveting process increases the Push Pin Power for increased strength and durability. Faster, more accurate shifting at a more affordable price point