Bkool Thru Axle Adapter

The 12x142x1mm thru axle adapter will allow you to use your bike with any Bkool trainer.

Note: This kit is for 142x12 bikes only. Not compatible with 135x12, 148x12, or any other thru-axle system.

Frames come in 3 thread pitches: fine, medium, and coarse. Please check with your frame manufacturer for the proper thru axle.