The Rocky Mounts Drive Shaft is the only bike rack fork adapter that fits both 15mm AND 20mm thru axles. It is also the first bike rack adapter to securely lock your bike.
Fits 15mm AND 20mm thru axles.
Rocky Mounts Drive Shaft can be used as a fork adapter for you rooftop bike rack or as a truck bed bolt on bike rack.
The Drive Shaft mouth opens wide for easy loading.
The cam lever adjusts like a quick release. High friction rubber pads prevent the axle from being unscrewed.
The Drive Shaft comes with one Rocky Mounts lock core and two keys for complete security.
NOTE: Use the "comments" section during checkout to request lock core numbers.
Firmly holds 15mm AND 20mm thru axles. Snap-in nylon shims prevent the axle from being unscrewed and allows you to switch between 15mm and 20mm loads.
The Drive Shaft is available in 2 different models:
Standard Drive Shaft
Drive Shaft HM
The Drive Shaft is designed for use with standard fork mount bike racks from Rocky Mounts, Yakima, and Thule.
The Drive Shaft HM is a bolt on bike rack mount. It is designed to bolt onto any surface (truck bed, trailer, 2 x 4, etc).
PLEASE MAKE SURE TO SELECT TO PROPER MODEL FROM THE DROP DOWN MENU BEFORE YOU ADD TO CART.
This thru axle adapter is 5.5" tall.
Weight capacity = 35 lbs.