Blackburn Trainer Axle Adaptor Kit M12 X 1.0MM & M12 X 1.75MM drumbeat21-616 gloves or extra calories to

gloves or extra calories to get you through long base miles

Polycarbonate shell

It's made with our handy Acu Dial system for a comfortable

and adding thoughtful features like a rear storage pocket at the small of the back

- Reflective logos and highlights

Blackburn Trainer Axle Adaptor Kit M12 X 1.0MM & M12 X 1.75MM drumbeat21-616 gloves or extra calories toTRAINER AND TRAILER ADAPTER KIT 1. 75MM Our thru axle conversion kit can replace the original thru axle on most mountain bikes, to allow for trainer usage. This kit will also allow the installation of a Copilot trainer hitch for most thru axle bikes as well. Works on bikes with 1. 0 OR 1. 75 thread pitches, and hub widths from 135 148mm. HOW TO CHOOSE Choosing the correct axle is simple. First, research which axle spacing your bike utilizes (135, 142