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Description
dynamics gravity xt 27.5 mountainbike XDSBIKE Rocket 520: 29er MTB with Hydraulic Brakes & 27-Speed Grey / 15.5 InchSTOP PAYING THE LOGO TAX Market Retail Value: $849. 00 Your Direct Price: $499. 00 You Save: $350 (Direct to Consumer Advantage) Compare the Rocket 520 to the leading 29er MTBs from Brand T or Brand S. While they charge for the name, we invest every dollar into your Shimano drivetrain and hydraulic braking power. Pure performance, no markups. Why Rocket 520 is a Game Changer: Hydroformed X6 Aerospace Alloy: Featuring a Smooth Weld finish and Internal
STOP PAYING THE LOGO TAX
Market Retail Value: $849.00
Your Direct Price: $499.00
You Save: $350 (Direct-to-Consumer Advantage)
Compare the Rocket 520 to the leading 29er MTBs from Brand T or Brand S. While they charge for the name, we invest every dollar into your Shimano drivetrain and hydraulic braking power. Pure performance, no markups.
Why Rocket 520 is a Game-Changer:
- Hydroformed X6 Aerospace Alloy: Featuring a Smooth-Weld finish and Internal Cable Routing. High-pressure liquid shaping ensures a frame that is vertically compliant yet laterally rigid, giving you carbon-fiber aesthetics with the legendary durability of X6 aluminum.
- Full Shimano Altus 27-Speed Drivetrain: Massive gear range with the Shimano FC-MT210-3 2-Piece Integrated Alloy Crank—technology typically reserved for bikes twice this price.
- Precision Hydraulic Stopping Power: Trust your safety to CSTAR Hydraulic Disc Brakes for one-finger modulation and consistent performance in mud, rain, or dust.
- The 29-Inch Advantage: Alloy double-wall rims and 14G Stainless Steel spokes roll over obstacles that stop smaller wheels in their tracks.
- Available Colors: Choose between a stealthy Matt Black or a premium Shiny Grey finish.
Full Factory Specifications
| Category | Rocket 520 Detailed Specs |
|---|---|
| Frame | X6 Alloy MTB Hardtail Frame (Aerospace Grade) |
| Fork | Front Suspension Fork, 100mm Travel |
| Crankset | Shimano FC-MT210-3 22/30/40x170 Alloy Crank |
| Bottom Bracket | Sealed Cartridge Type |
| Derailleurs | Shimano FD-M2000 Altus (Front) / RD-M2000 Altus (Rear) 27-Speed |
| Shift Levers | Shimano ST-M2010 Rapid-Fire Plus 27-Speed |
| Freewheels | Shimano CS-M3009 11-36T 9-Speed |
| Brakes | CSTAR Hydraulic Disc Brake |
| Handlebar | Alloy 680mm Wide |
| Stem | Alloy (Diameter 28.6mm, Extension 90mm, Height 30mm) |
| Seat Post | Alloy 31.6mm x 400mm |
| Seat Clamp | Alloy, Quick-Release (QR) Type |
| Wheelset | 29-Inch Alloy Double Wall Rim (32H) w/ Alloy QR Hubs |
| Tires | 29 x 2.0 Black All-Terrain Tires |
| Spokes | 14G Stainless Steel (Rust-Proof) |
| Chain | KMC Z9 114L |
| Pedals / Grips | Resin Body Pedals / Rubber Grips |
| Weight | Approx. 36 lbs |
Find Your Perfect Fit (29er Geometry)
| Frame Size | Rider Height Range |
|---|---|
| 15.5-Inch (S) | 5ft 2in – 5ft 6in |
| 17.5-Inch (M) | 5ft 6in – 5ft 10in |
| 19.5-Inch (L) | 5ft 10in – 6ft 2in |
🎁 Official Corporate Bonus: The Rider's Starter Pack
Every Rocket 520 ordered directly from our South El Monte, CA headquarters includes:
- Pro-Assembly Tool Kit: Allen Key & Pedal Wrench included for factory-spec setup.
XDSBikeco: Part of a Southern California cycling heritage since 2002.
Operating from our South El Monte headquarters since 2008.
Direct-to-Consumer pricing with two decades of professional engineering standing behind every ride.
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
4.7 ★★★★★
Based on 809 reviews
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Product Reviews
★★★★★ 5
love the high neck and crop/waist length
Size: Large, Color: Black, Size: Large, Color: Black
This is one of my favorite shirts- not to loose, but not too tight- has some shape built in. I find the shoulders and neck to be fitted well and look neater than some of my skinnier strapped tank tops -which always seem to hang just a little too low, despite my tall body and fuller upper body, so I don't understand- this looks neater and more put together. I teach yoga and can face my class on hands and knees and not give a show- I'm not prude, but it can be distracting to have a shirt gaping open... the cotton, yes, it's going to age quicker than some fabrics, but I like the feel of it, plus it releases odors more quickly. I have both large and xl size- just depends on my outfit and how I'm feeling-i'm in between sizes so the L is a little more fitted, the xl still looks cute, but gives a little room, esp in the waist- its not as flattering, but cooler and comfy for days I need. I think this shrunk/tightened up a bit in the wash/dry, but not a ton (I don't remember, so think it wasn't much, anyway).
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Reviewed in the United States on May 28, 2026
★★★★★ 1
Ill fitting
Size: Medium, Color: White
Arm holes are way too big. I'm 135 pounds and a 36c and it's huge in the chest and too tight around the neck. Its a good length and material but it's so ill fitting everywhere else.
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Reviewed in the United States on March 2, 2026
★★★★★ 3
Just ok.
Size: Large, Color: Bright Poppy Red
It’s ok. The fabric isn’t very soft. I expected the color to be more of a coral/pink red. But it’s a red with an orange undertone. Quality is what you expect for $10. I did like the neckline though. It was flattering.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
New wardrobe staple for me!
Size: Medium, Color: Navy
I had been buying a similar top at a high price retailer and they were out of navy. Saw this and purchased it. It is actually better quality than the ones I purchased elsewhere for 3xs the price. Super soft and an excellent capsule wardrobe piece to wear alone or under a cardigan or jacket for work.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Perfect First Sneakers for Toddler!
Size: 10 Little Kid, Color: Peri
I bought the Saucony Jazz Hook & Loop sneakers in Peri for my 3-year-old, and they’ve been fantastic! The hook-and-loop straps make them super easy to put on and take off, which is a lifesaver with a wiggly toddler. The fit is true to size, and they’re lightweight yet sturdy, providing great support for little feet. This is actually the second pair i have ordered of this exact style b/c she out grew the first.
The design is adorable, and the color is vibrant without being too flashy. The quality is excellent—they’ve held up well to daily wear and play.
Overall, these are the perfect first sneakers for active little ones. Highly recommend!
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Reviewed in the United States on March 21, 2025