RockyMounts DriveShaft HM is our locking 15mm/20mm thru-axle bolt on system for trucks, SUV's, and trailers. Comes with a flat mounting surface designed for "do it yourself" bolt on installation.
Designed with a wide mouth opening to easily load your bike and a T-Bolt that adjusts for a tighter hold; thru-axle cannot be unscrewed. Lock and keys included.
NOTE: If you're looking for a truck bed bike mount that fits into the slotted bed channels found in Toyota, GMC, Chevy, and Nissan we recommend the DriveShaft SD found here.
- Download a PDF version of the installation guide here.
What is the difference between the DriveShaft and DriveShaft HM? The HM is a bolt on mount for bolting to a pick-up. It can also be used as a fork mount adapter
Does is come with any mounting hardware? No. There are many possibilities on where you might mount the DriveShaft HM (steel, wood, etc). The DriveShaft HM has mounting holes that accept ¼†or 6mm bolts that you will need to provide.
Does it lock? Yes, it includes a lock and two matching keys.
How can I get two keyed alike? If you get them from a dealer, ask them to find two with the same keys (the key # is stamped on the bottom of the box). We try to ship them to our dealers so this is possible. If you order them from our website, we will do this automatically. Note: Many online dealers have remote warehouses and cannot provide this service. Please call/email them to verify they can do this.
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? We include a snap in set of nylon shims that will convert the stock 20mm setting to fit 15mm axles.
Can I put my road bike (standard fork) on it? You have to purchase a Dummy Axle w/9mm QR. This clamps in place as your axle would, and converts it. Please Note: If the Dummy Axle is used your bike will not be locked.
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