Parktool- Chain wear indicator Batteries & Chargers SHIMANO 105 Di2 represents a

SHIMANO 105 Di2 represents a transformation of the road cycling experience

Gears 2x12 speed

CoolFit Anti-Microbial padding

• Unobtainium ® nosepads increase grip with perspiration to help keep the eyewear securely in place

Parktool- Chain wear indicator Batteries & Chargers SHIMANO 105 Di2 represents aA worn chain shifts poorly and wears sprockets at an accelerated rate. The CC 3. 2 is a go no go gauge designed to accurately indicate when a chain reaches . 5% and . 75% stretch, the points at which most chain manufacturers suggest replacement. For 9 and 10 speed chains, replace the chain just as the gauge fits the 0. 75% side fits flat into the chain. For 11 and 12 speed chains, replace the 0. 5% side fits. The CC 3. 2 is long, accurate, and