Robert PROJECT RESISTANCE TRAINER Rear Thru Axle 12x142mm 172mm Black Compatio_Enriched Giant P-RX2 Tyres are a

Giant P-RX2 Tyres are a mixed terrain tyre designed specifcally for increased traction and stability on rough and loose surfaces

Extra-long contact arm for deep crank-bolt hardware

Rectified 5v DC USB output

68 Durometer Center Ridge For Long Life / 58 Durometer Sides For Enhanced Cornering

With 32-spokes front and rear

Robert PROJECT RESISTANCE TRAINER Rear Thru Axle 12x142mm 172mm Black Compatio_Enriched Giant P-RX2 Tyres are aRobert 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