Crank Boots bike It is simply the most

It is simply the most wicked device for rapid mounting of your bike

Clock mechanism is battery operated with integrated hook

Will this tool work with my cranks

Single or twin bungee configuration

Without a spare battery

Crank Boots bike It is simply the mostTrail riding can be tough on your gear. The ends of your cranks take a lot of abuse as the trail rushes underneath you and your bike. Race Face Crank Boots are made from a durable proprietary plastic blend and protect very well indeed. Be in no doubt and go with the originator in crank end protection. NOTE: If you have alloy cranks you need to order the ALLOY BLACK ones as all other options are for carbon cranks. Medium (for most Carbon cranks)