Robert Axle Project Trainer Thru-Axle 1.75x170mm - Black 390mm }SRAM Guide Ultimate Caliper Piston

}SRAM Guide Ultimate Caliper Piston Kit: Two Each 16mm and 14mm

Model Super Deluxe Ultimate Flight Attendant Stroke 55mm Eye-Eye 210mm

increasing traction

8 smaller Nevegal knobs with L3R PRO rubber across the center tread for efficiency and grip with raised Stick-E rubber shoulder knobs for cornering

Matte chrome plated chain guide

Robert Axle Project Trainer Thru-Axle 1.75x170mm - Black 390mm }SRAM Guide Ultimate Caliper PistonRobert 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