breaking or unseating the valve and no chance of unscrewing your valve core when you remove the pump

2 fibreglass shell sizes and 3 EPS dimensions for a perfect fit

A great training tyre with it's low cost

3 cable donuts

Weight: 286g for the pair

Crank Brothers M Series Multi Tool - Midnight Edition - M19 Heavy/Bulky breaking or unseating the valveThe Crank Brothers M Series Tools are a high quality multi functional toolset, designed and engineered to perfection. With a variety of essential, shop quality tools in each model, turning trailside mechanical disasters into thing of the past. Small enough to keep in your pocket, you'll never be without your go to tools for those impromptu trailside mechanical issues, either at the races or helping your mates out of a sticky situation, you'll be the