WTB Released Carbon Gravel Wheelset CGR i28
The new 1,364-gram carbon wheelset from Wilderness Trail Bikes offers wide rim profiles for enhanced gravel tire performance.
Updated on Sept. 29, 2026 in Cycling
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Wilderness Trail Bikes has released the CGR i28, a new carbon gravel wheelset designed to support modern wide tire setups. The wheelset features a 28mm internal rim width and is available for purchase now.
Why it matters
The 28mm internal rim width provides a stable foundation for 45-54mm gravel tires, allowing riders to utilize lower pressures for better traction and comfort on varied terrain. This release offers a new option for cyclists seeking a balance of durability and low weight in their gravel setups.
The CGR i28 wheelset features a 40mm deep carbon rim and 24-hole drilling, weighing 1,364 grams. These specifications are designed to support tires between 45mm and 54mm, offering a 38% increase in load rating compared to previous models.
The players
Wilderness Trail Bikes
A cycling components manufacturer specializing in gravel and mountain bike tires, rims, and saddles.
The details
The wheelset utilizes 4D spoke drilling, which balances spoke tension to prevent fatigue and extend wheel longevity. A sloped rim bed valley, dubbed On Ramp, helps simplify the installation and removal of tubeless-ready gravel tires. Power transfer is managed through hubs equipped with 36-tooth Diamond-Like Carbon coated ratchets, ensuring engagement reliability across various axle standards.
Timeline
September 29, 2026: WTB announced and released the CGR i28 wheelset.
Health Landscape
The gravel cycling sector has shifted toward wider internal rim diameters to accommodate larger tire volumes and lower pressures. This wheelset aligns with current engineering efforts to increase durability and load capacity while maintaining a lightweight carbon construction.
Riders interested in upgrading to the CGR i28 should ensure their frame supports 12x100mm front and 12x142mm rear axle spacing. If you experience rim damage while riding, verify your original ownership status to utilize the WTB replacement guarantee.
The takeaway
The CGR i28 wheelset leverages a 28mm internal rim width to enhance the stability and performance of modern gravel tire setups. Riders should track their rim condition and consult with a local mechanic to ensure compatibility with their existing drivetrain and axle specifications.
Further reading
Explore the latest developments in gravel riding technology on the Cycling section page.
More information
Find complete product details and a local dealer through the WTB product information and dealer locator.
Source note: This article includes information reported by Bikerumor.
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