Blackburn Trainer Axle Adaptor Kit M12 X 1.0MM & M12 X 1.75MM drumbeat21-616 fit system with pinch-guard buckle

fit system with pinch-guard buckle provides an easy way to fit your kid's helmet quickly and securely

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

The German-engineered alloy frames have internally routed cables and are light and stable to ride

Constructed from high-torque industrial steel and molded with an extremely comfortable ergonomically-shaped nylon handle

the regular Tofino saddle will fit the majority of riders

Blackburn Trainer Axle Adaptor Kit M12 X 1.0MM & M12 X 1.75MM drumbeat21-616 fit system with pinch-guard buckleTRAINER 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