Parktool- Chain wear indicator Tubes The power sensors are protected

The power sensors are protected in a bi-component resin block

Off-set Strap relieves tension at highest point of the foot

Rear derailleur- SHIMANO Ultegra Di2 RD-R8150 12spd

180/F and 160/R

In conclusion the Axion SPIN was developed for trail and enduro riders and has ventilation channels and openings for regulated air circulation

Parktool- Chain wear indicator Tubes The power sensors are protectedA 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