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Hauling a single e-bike or a fully built rig is no problem here. The Piston SR handles up to 100 lbs, giving you all the muscle needed for today’s heavy rides. It’s equally at home with carbon frames, fat tires, or custom paint jobs since it secures the bike by the wheels only—no frame contact, no scratches. In a chassis-mounted RV hitch the capacity is 67 lbs, so your setup stays safe even on rougher roads.
Lifting a heavy e-bike can be tough, but this rack makes it simple. The hydro-pneumatic ratcheting arms deploy with a tap of the lever so you can load and lock the wheels without wrestling the frame. For even easier loading, a telescoping aluminum ramp (sold separately) connects right to the tray, letting you roll the bike on instead of lifting it.
Once it’s in the hitch, the Piston SR stays put. The flatlock cam system tightens the rack inside the 2" receiver to eliminate play and rattle. Each strut carries a Kashima coating that reduces friction and resists wear, keeping motion smooth and noise low mile after mile.
When you step away, both the rack and bike stay protected. Keyed-alike locks secure the rack to the hitch and the bike to the rack, adding solid peace of mind whether you’re stopping for coffee or camping overnight.
If you want to use your hitch for towing, just remove the included adapter and mount the rack on your crossbars instead. It fits round, square, aero, elliptical, and most factory crossbars up to 4-1/2" wide x 1-3/4" tall, with a 25"–51" crossbar spread. At 42 lbs with the adapter and 23 lbs without, it’s light enough to move between setups without a struggle.
Alternate Instructions
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
Heather A.
4/11/2026
The rack looks great on the back of your Ram! Looks like you are ready to hit the trails. What kind of bike is that?
Terry B.
5/9/2026
Working great. I have traveled over 3,000 miles across the country with the bike and rack. It is very sturdy.
Scott
10/4/2025
A year in, still love the rack. Still wish it used a single key. Sometimes, after drives on unpaved roads, the piston shaft gets “gritty” and doesn’t operate as smoothly - but a good hosing-off when you get home fixes that. Its functionality, stiffness and hands-free deployment keep it the best in class for a single-bike rack.
Gwendolyn Y.
10/6/2025
Lazer S.
1/27/2026
Glad you like it, Suds! The ramp definitely makes loading it nice and easy too! What kind of e-bike do you have and how much does it weigh?
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Steveo
12/13/2025
After a year of use, I would raise my initial rating to 5 stars. The stability of the bike has been solid even on forest roads, real 4x4 may want to add a strap. Now using this on a 2025 GMC Sierra 1500, handlebar just clears window with a softtopper. With a hard cap would likely need a 6 hitch extender.