SKU: 15548986149
topstone gravel bike

topstone gravel bike Topstone 2 GRX - 2x

Sale price$24.98 Regular price$27.76
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 15 - Sep 20

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Description

topstone gravel bike Topstone 2 GRX - 2xDiscover new adventures. Discover freedom. Incredibly powerful and versatile gravel bike. Built to chase the horizon, discover new paths, or tackle your daily commute even faster. Model Description Two chainrings, endless possibilities. This Topstone with the new Shimano GRX 400 2x10 speed group and a SmartForm C2 aluminum frame is made for the most demanding gravel tours. With plenty of tire clearance and mounts for racks and other accessories, it is

Discover new adventures. Discover freedom.
Incredibly powerful and versatile gravel bike. Built to chase the horizon, discover new paths, or tackle your daily commute even faster.

Model Description
Two chainrings, endless possibilities. This Topstone with the new Shimano GRX 400 2x10-speed group and a SmartForm C2 aluminum frame is made for the most demanding gravel tours. With plenty of tire clearance and mounts for racks and other accessories, it is perfectly equipped for the demands of adventurous cyclists and unpredictable routes.

What it's made for
Gravel biking, bike exploration, bikepacking, fast commuting

Highlights

  • Lightweight SmartForm C2 aluminum frame with full carbon fork
  • Reliable and precise shifting thanks to Shimano's 2x10-speed gravel group GRX 400
  • Powerful, perfectly controllable hydraulic Shimano GRX400 disc brakes
  • Selle Royal SRX Open saddle with supportive seat pads and pressure-relieving central channel for powerful comfort

Equipment:

  • Frame: Topstone, lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BB, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
  • Fork: Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts
  • Rims: GXD 1.0, 28h, 23mm internal width, tubeless ready
  • Hubs: (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
  • Spokes: Stainless Steel, 14g
  • Tires: WTB Riddler TCS Light, 700x37c, tubeless ready
  • Pedals: Not included
  • Crank: Shimano GRX 400, 46/30
  • Bottom Bracket: Shimano BSA 68
  • Chain: Shimano HG54, 10-speed
  • Cassettes: Shimano HG500, 11-32, 10-speed
  • Front Derailleur: Shimano GRX 400
  • Rear Derailleur: Shimano GRX 400, Shadow RD+
  • Shift Levers: Shimano GRX 400, 10-speed
  • Handlebar: Cannondale 3, butted 6061 Alloy, 16° flare drop
  • Grips: Cannondale Knurl Cork, 2.7mm
  • Stem: Cannondale 3, 6061 Alloy, 31.8, 7°
  • Headsets: Integrated, 1-1/8" - 1.5"
  • Brakes: Shimano GRX 400 hydraulic disc, 160/160mm RT30 centerlock rotors
  • Saddle: Selle Royal SRX Open
  • Seatpost: Cannondale 3, 6061 Alloy, 27.2 x 350mm
  • Sizes: XS, S, M, L, XL
  • Extra(s): Tubeless valves

* Specification may vary in details in exceptional cases, depending on the manufacturer.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 15548986149

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Verified Purchase
Sam
Lexington, US
★★★★★ 5
Better Than OEM – Worth the Upgrade
Size: 1" x 1" x 1"
The K&N filter is a big step up from the standard Toyota air filters and OEM replacements. Installation was quick and easy, and the fit is perfect. I’ve noticed smoother airflow and better throttle response compared to the stock filter. The best part is that it’s washable and reusable, so it’s a long-term investment instead of constantly buying replacements. Definitely a smarter choice for anyone who wants performance and value over the typical paper filters.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 25, 2025
A
Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 5
Fits 2024 Land Cruiser 1958
Size: 1" x 1" x 1"
Easy to install. Perfect fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
K
Verified Purchase
K
Lowell, US
★★★★★ 5
Does the job, economical and a perfect fit
Size: 1" x 1" x 1"
Bought exactly 1 year ago for 3rd Gen Tundra. So far, it really does the job. At first I didn’t realize how awesome it was until I had to remove and clean it yesterday. Although I keep my truck immaculate inside and out, after 1 years use, the filter had become extremely filthy and the air had an old mildew, vomit, stank smell. When clean and set for fresh air, I can only faintly notice diesel exhaust smells from those in front of me. I also notice little to no dust accumulation on my dash and flat surfaces. In my opinion the K&N cabin filter kit is an essential tool for cleaning this filter. K&N made the filter, so I would imagine that they know how to clean and refresh it properly. By the way, refresh solution is nearly fragrance free. I bought the refresh kit at a big box auto supply and it came in a mostly black box instead of the white box as sold on here. Don’t know if that means the formulation has changed or not.
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Reviewed in the United States on March 2, 2025
B
Verified Purchase
Blake
Battle Creek, US
★★★★★ 5
Like A Glove
Size: 1" x 1" x 1"
Perfect fit for ‘26 Tundra.
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Reviewed in the United States on May 22, 2026
B
Verified Purchase
Brady
Lake Worth, US
★★★★★ 1
Wrong size for Toyota tundra 2023
Size: 1" x 1" x 1"
Bought for 2023 Toyota tundra & it doesn’t fit. Completely wrong size.
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Reviewed in the United States on March 23, 2026

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