Wheels Manufacturing Rear Thru Axle - M12 x 1 x 18, 175mm sport-hydration The SK-4 includes more than

The SK-4 includes more than 15 genuine Park Tool products that can perform dozens of tasks

Keeps E-tube wires from rattling inside frame

Crafted from aluminum with a durable textured machined finish

An internal silicone strip keeps the pads from slipping down

The EP-1 is purpose-built to securely install end caps onto brake

Wheels Manufacturing Rear Thru Axle - M12 x 1 x 18, 175mm sport-hydration The SK-4 includes more thanThru axles engineered for a better ride! Designed and tested in the rugged conditions of Colorado, these thru axles will meet the demands of every rider. Machined from aircraft quality 7075 aluminum to be stiff, durable and long lasting. The low profile design reduces weight, minimizes snag points, and provides a clean sleek look. A unique captive rotating thru axle washer reduces friction on dropouts during installation, allowing for a precise fit