Experience the unbeatable freedom of the Robert Axle Project Surly Gnot Boost Trainer Thru Axle – 151mm or 157mm! This special axle mount allows contemporary frames to merge seamlessly with leading-edge trainers for a unique, smooth ride.

Features:

• 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