Indestructible MTB Wheelset with 36T Ratchet Hub
Built for riders who spend all day on the mountain, this ZTTO DR390-Pro wheelset features a 30mm internal (35mm external) width rim, combined with strong 1.4-2.3mm aero spokes and the reliable DR390 36T ratchet hub. The result is a durable and high-performing wheelset that can take on aggressive terrain with confidence.
Enhanced Grip and Control
The wide rim provides excellent sidewall support, allowing for lower tire pressures to enhance traction and improve handling. You'll instantly feel the difference in grip and ride quality, especially in technical or loose trail conditions.
Perfect Upgrade from Stock Wheels
If you're looking for a performance-driven upgrade, this is it. With premium components and excellent design, the DR390 delivers value and trail-proven durability. Plus, the 36T ratchet hub adds a distinctive, satisfying sound that experienced riders will appreciate.
ZTTO DR390-Pro Hub – 36T Ratchet System
Equipped with a quick 5-degree engagement for faster power transfer, the DR390 uses two sets of staggered pawls and independently acting leaf springs for superior reliability and long-term smoothness. Built to perform under all riding conditions.
Tubeless-Ready Performance
This wheelset is tubeless compatible and pairs perfectly with ZTTO's original tubeless rim tape. Set it up for improved ride feel, puncture protection, and reduced rolling resistance.
Strong Yet Lightweight Build
With an internal rim width of 29.7mm and a 21mm depth, the strengthened rim design delivers optimal stiffness without compromising weight. The DR390-Pro-27.5 weighs about 1970g, and the 29er version weighs about 2035g (based on HG body; XD/MS will be lighter).
Versatile Hub Compatibility
The front hub supports 15x100 thru axle and 9x100 QR, while the rear supports 12x142 thru axle and 10x135 QR. Four side caps are included for each hub so you can easily switch axle types as needed.
DR390 BOOST: Front 15x110 Thru axle/ Rear 12x148 Thru axle and 10x141 QR. If you need to mix like front BOOST with rear normal/ front normal with rear boost, please contact customer service before payment.
High-Quality Spokes and Easy Maintenance
Featuring 32 J-bend aero spokes per wheel (1.4–2.3mm), the G3 lacing pattern and robust steel build ensure strength and serviceability. Designed with home mechanics in mind.
Multiple Sizes & Mixed Setup Available
Available in 27.5", 29", or mixed (29" front / 27.5" rear) setups. As mixed wheel sizes gain popularity for technical and versatile trail performance, this option offers the flexibility many riders seek.
Reflective Shiny Stickers for Safety
The rainbow-like reflective decals look great under sunlight and enhance safety at night by reflecting car headlights.
Additional Features
F/V compatible – fits Presta valves
6-bolt brake rotor compatible
Suitable for all MTB cassette types
Recommended for: Cross-country, enduro, trail, AM, downhill, E-bike, mud, sand, and snow conditions