Nowadays, most modern mountain bikes use thru-axle forks, which is great on the trail, although it raises some questions when hooking your bike up to your car rack. RockyMounts DriveShaft is a 15mm/20mm thru axle adapter that can handle both loads and the only one on the market to securely lock up your bike. It fits standard fork mounts from RockyMounts, Yakima®, and Thule®. It's wide mouth opening creates easy loading, holds tight with adjustable cam lever, and comes with snap in nylon shims to prevent the axle from being unscrewed and gives the ability to switch from 15mm to 20mm thru axles, just like that. It also comes with RockyMounts locks and keys.
Manufacture Part Number: 1081
Does it lock? Yes, it includes a lock and two matching keys.
Will it fit my fork mount? If you have a standard fork mount with 100mm spacing, yes.
Why can't the axle just be unscrewed when locked? The axle is gripped by the frame and is impossible to unthread before breaking the QR handle.
Is there a weight limit? Yes, there is a 35lb weight limit. Do not try to mount your moped.
How does it fit both 15mm and 20mm? Included is a snap in set of nylon shims that will convert the stock 20mm setting to fit 15mm axles.
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