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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
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Description
Robert Axle Project 165mm Trainer Axle Mavic Speed Release (TRA224)Our 12mm Thru Axles for Trainers are unique because they are designed to fit on your specific bike using minimal washers and spacers. Unlike trainer thru axles common for fit studios, the Robert Axles are lower profile and can be used on or off the trainer. Note: This axle has a proprietary double lead in thread found only on Mavic Speed Release bikes. Trainer Axles are designed to adapt your favourite bike to your wheel on trainer. Our axles are
Our 12mm Thru Axles for Trainers are unique because they are designed to fit on your specific bike using minimal washers and spacers. Unlike trainer thru axles common for fit studios, the Robert Axles are lower profile and can be used on or off the trainer.
Note: This axle has a proprietary “double lead-in” thread found only on Mavic Speed Release bikes.
- Trainer Axles are designed to adapt your favourite bike to your wheel-on trainer. Our axles are compatible with all the popular brands: Blackburn, Bkool, Cyclops, Elite, Kinetic, Tacx, Wahoo, and more.
- Our first priority is building a precision thru-axle. Our axles precision designed and machined to fit into your bike as well or better than the stock thru axle.
- The axle is installed with a simple 5 mm hex/allen key. The same tool that you carry on every ride.
- The best part? When it’s time for your race or time to head outside, simply remove your bike from the trainer, remove the drive side axle end and go. Our axle is suitable for use on or off the trainer. Indoors or out.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Great buy
Color: Pinkish Grey, Size: 14-Inch
Great backpack for computer. I like that I can transport my computer and other homework supplies in a small, fashionable backpack
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Perfect Small-ish Business Bag
Color: Apricot, Size: 14-Inch
I have been on the search for a small business bag, that can go on. top of my luggage as well as look nice in the office and at meetings. That will still hold all of my things while keeping me organized. So what fits, I can put my 12.9" iPad, with case and Magic Keyboard in the spot for a laptop. I can also put my 8x10 spiral bound planner, a notebook, mouse, small cable case, pencil case, water bottle and purse pouch with all my essentials. So my water bottle does not fit inside the side bottle pockets, so I do have to put it inside the bag it's self, but that's a no issue. The shoulder straps seem sturdy enough and the color beige/cream looks nice with my neutral wardrobe. Overall I'm happy with the purchase. We'll see how it travels over the next year as I have quite a bit of traveling and work do to offsite this year. j
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Reviewed in the United States on January 17, 2023
★★★★★ 4
Stylish, High-Quality Backpack. A Great Upgrade from My Usual Black Bags!
Color: Pinkish Grey, Size: 14-Inch
I’m really impressed with this backpack. I usually stick to black bags, but I decided to try something different, and I’m so glad I did. The color is beautiful—unique without being too loud—and adds a nice pop. The quality of the material feels top-notch. It’s sturdy yet lightweight, and the stitching and zippers seem very durable.
Overall, this backpack feels well thought out in both design and function. Highly recommend if you’re looking for something professional, stylish, and practical.
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Reviewed in the United States on June 25, 2025
★★★★★ 5
Buena compra
Color: Apricot, Size: 14-Inch
Calidad, Color, espacio.
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Reviewed in the United States on May 1, 2026
★★★★★ 3
Gorgeous, but some big downsides
Color: Pink-upgrade, Size: 14 Inch
I wanted to like this bag SO BADLY. I’ve owned other backpacks by this brand and they have never disappointed. This one though, was a close miss. The color is absolutely GORGEOUS and I almost kept it for that reason alone. However, two big things made me return it: 1) The inside is no longer padded. If you had purchased older Golf Supags backpacks, the interior had padding to help the backpack keep its shape and not slouch over on the floor. That’s gone, so this one does flop over a little. But the big deal breaker: 2) holy cannoli, these straps are WAY too long! On the shortest length, the backpack is still hanging almost halfway down my back. It looks weird, but it’s also not ergonomically good for your back. The actual strap part (with padding) is so far back that the thin seatbelt adjustable material is the only thing on my shoulders. Super awkward. I’m not necessarily a small person either, so I shudder to think what this would look like on someone more petite than me.
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Reviewed in the United States on July 15, 2025