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- USA
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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For Your Every Summer RSVP, with Code: SUMMER15
Description
fixed gear chainring Retrospec Mantra Fixed-Gear/Single-Speed Crankset – SGV BicyclesHere is the Mantra Crankset. This upgraded three piece crankset is made of a lightweight alloy crank combined with a steel chainwheel for superior strength and a smooth cadence every ride. Its better forged, which means the material is denser and stronger but still lighter than steel. With this beefier crankset, you get more power to the ground, which means youre going faster with less deflection. The thicker arm and different bolt pattern featured on
The Details
The crank arm measures 170mm and doesn’t have any overlap of crank arm and chainring bolts. The standard bolt circle diameter (or BCD) is 130mm. It accommodates 9/16” pedals.
Ride Like You Want To
Available in a ton of colors and sizes, you can pick the right choice for you and your bike. A smaller size will make accelerating simpler while a larger size will increase your highest speed.
Specifications
- Three-piece forged aluminum crankset
- All new crank arm design is much stronger for faster, more aggressive riding
- Fits on road, mountain fixies, BMX, track, and single-speed bikes
- 170mm Crank Arm Length without any overlap of crank arm & chainring bolts
- Standard Bolt Circle Diameter (BCD): 130mm
- Fits 9/16" pedals
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
4.5 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Great shelves, strong, secure, sturdy, decent size, unbeatable price.
Color: White, Number Of Shelves: 4, Size: 15.7in
Easy installation fits where we wanted them. Stable strong secure snug fit. Cleans easily with dust wipe. I would recommend buying these.
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Reviewed in the United States on May 19, 2026
★★★★★ 3
The shelves sag away from the wall overtime
Color: White, Number Of Shelves: 2, Size: 15.7in, Color: White, Number Of Shelves: 2, Size: 15.7in
Although the wood quality and finish of the shelf are clean and well-made, the main issue is that the shelves begin to sag over time while holding around 10 pounds, even though the product listing claims they can support up to 20 pounds. They may perform better on a brick wall, but on drywall you should be cautious.
To fix the problem, I had to purchase floating shelf brackets for support, which solved the sagging issue. However, this defeats the purpose of the “floating” aesthetic. Since the shelf is in my bedroom, I can overlook it, but I personally wouldn’t install these in a common area if I wanted a clean floating look.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Love this
Color: Rustic Brown, Number Of Shelves: 4, Size: 15.7in
Love these shelves so easy to put up so beautifully made and really enjoy the way they set on my wall very sturdy also!
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Looks nice, easy to install
Color: Rustic Brown, Number Of Shelves: 2, Size: 22in
This shelf is lightweight, looks nice, and was easy to install. It comes with a little level to help you install it properly. There are plenty of mounting holes to choose from, so it is easy to screw it directly into a stud, or to just use holes that are convenient for you. It comes with a plethora of mounting hardware.
I mounted mine a bit high up and chose to mount it upside down so that I wouldn't see the three screws that hold the shelf to the mounting bracket.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Excellent Customer Service
Color: 3 Panels Natural, Size: 3 Panels
It is a nice looking screen but when I opened the box, it had been damaged in shipping. I am giving a 5 star review because of the customer service I received. They were more than accommodating (so important when dealing with a large item such as this).
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Reviewed in the United States on May 14, 2026
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