good all round traction on pavement and light gravel

Dome Diameter: 33mm (1

Max Fan Speed: 30 mph/48 kph

Aluminum body

for extra safety and peace of mind

Sram PC-870 8-Speed Chain Silver pickuponly good all round traction onExtremely 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. An equally smooth operator on city bike paths and country trails PowerLink "no weak link" technology lets you insert, press, and lock to join links. No tools needed