Built for aggressive riding, the Hydra2 Grade-S 29in Wheelset offers strength, speed, and confidence on rough terrain
What Our Gearhead® Experts Are Saying:
"The Hydra2 Grade-S 29in Wheelset is my go-to for enduro and downhill riding. The alloy rims balance durability and compliance, while Hydra2 hubs deliver lightning-fast engagement. Whether charging rock gardens or railing corners, these wheels provide the stability and responsiveness I need."
Designed to take on the toughest terrain, the Hydra2 Grade-S 29in Wheelset blends stability, durability, and precise handling for aggressive riders. The 31mm internal rim width provides optimal tire support for traction and control, while the 32-spoke construction ensures stiffness and resilience through high-speed descents and repeated big hits.
At the heart of the setup, Hydra2 hubs deliver an industry-leading 0.41° engagement, meaning every pedal stroke translates into immediate power transfer. Whether tackling enduro stages or full-throttle downhill laps, these wheels hold their line and absorb impacts without hesitation. Optimized for Boost spacing (15x110mm front / 12x148mm rear) and available in XD, HG, and MS freehub options, the Hydra2 Grade-S 29in Wheelset is built to handle the most demanding trails with confidence and control.
Details
- Durable 29in alloy wheelset designed for enduro and downhill performance
- Hydra2 hubs provide near-instant 0.41° engagement for immediate power transfer
- 31mm internal rim width enhances stability and grip with modern enduro tires
- Strong yet compliant alloy construction absorbs big impacts without compromising stiffness
- 32-spoke lacing ensures strength and reliability on rough terrain
- Tubeless-ready design maximizes traction and minimizes pinch flats
- Optimized for 15x110mm Boost front and 12x148mm Boost rear spacing
- Item #NIN1WX5
Tech Specs
- Rim Material
- alloy
- Wheel Size
- 29in
- Rim Type
- tubeless-ready
- Rim Depth
- 20mm
- Rim Width
- [internal] 31mm, [external] 40mm
- Brake Compatibility
- 6-bolt
- Hubs
- i9 Hydra2
- Front Axle
- 15x110mm Boost
- Rear Axle
- 12x148mm Boost
- Spoke Count
- 32
- Claimed Weight
- [set] 4lb 12oz (2165g)
- Manufacturer Warranty
- 2 years
- Activity
- enduro, downhill


