Robert Axle Project Surly Gnot Boost Trainer Thru Axle - 151mm or 157mm. Robert Axle Project thru axles allow modern frames to be used with axle mount trainers.
For use with bike trainers such as 1up Blackburn Cyclops Kinetic Tacx and more
IMPORTANT: Before ordering make sure your specific trainer will accommodate the width of the thru-axle equipped bike that you are using
Measure trainer at the widest setting and measure the bike frame width at the rear hub
The Robert Axle ends will extend 15mm past the frame on each side
Axle shaft and axle ends are machined from 7075 aluminum and hard anodized
Installed or removed using a 5mm Allen wrench
Designed built and tested in the USA