ZTTO 27.5"/29" MTB Wheelset - Tubeless Rim Ratchet 36T 35mm Wide Front 15x100 TA and 9 * 100 QR Rear 12x142 TA and 10x135 QR Bicycle Wheels, DR390-Pro

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

• 【Premium Specifications】Crafted from high-quality aluminum, our wheelset is available in 29" and 27.5" sizes, designed specifically for clincher tires with F/V inner tubes, tubeless compatible . The rims boast an external width of 35mm and an internal width of 30mm, offering the perfect balance of strength and performance. Additionally, the wheelset features 6-bolt brake compatibility and 36T Ratchet hubs equipped with 6 pawls , ensuring reliable performance on every ride.
• 【Indestructible Wheelset】Combined with 1.4-2.3 Aero spokes and DR390-Pro Ratchet hub, our bike wheels are engineered with a durable structure and aluminum alloy rims for both front and rear brakes, ensuring exceptional durability and wear resistance for reliable, long-lasting performance.(Front 15x100 TA and 9*100 QR/ Rear 12x142 TA and 10x135 QR)
• 【Precision Engagement】The six-pawl system is split into two groups of three, each trio slightly offset in timing. This smart design enables ultra-fast 5° engagement, delivering instant power transfer right after coasting. Each pawl is supported by its own independent spring leaf, ensuring strong, consistent engagement and outstanding durability. This means your hub maintains exceptional smoothness and reliability over time—no matter the terrain or weather conditions.
• 【Mixed 29/27.5" setup】Featuring a 29.7mm internal width and 21mm depth with a reinforced bar design, this tubeless-ready rim offers superior support for wide tires. Available in 27.5", 29", and a mixed 29/27.5" setup, it’s designed to meet the evolving demands of aggressive trail riders. The 32-hole J-bend spoke layout ensures long-term durability and easy maintenance at home.（ALL MTB Cassette Compatible）
• 【Built for Mountain Riders】Designed for riders who spend all day on the trails, these Mountain Bike Wheels feature a wider rim（35mm Wide） that provides enhanced sidewall support. This allows for lower tire pressures, delivering improved traction and control—experience unmatched grip on every ride. By the way, the 36T Ratchet makes an amazing sound.
• 【Reflective Rainbow Stickers】These vibrant stickers shimmer like a rainbow under sunlight, adding a unique and eye-catching look to your bike. At night, they reflect car headlights to enhance visibility and keep you safer on the road — a perfect blend of style and safety.