Crankbrothers Synthesis 29" Alloy 2.0 DH Super Boost Rear Wheel I9 1/1 Black

Optimized to exceed limits

Designed specifically for downhill racing, the Crankbrothers Synthesis DH Alloy 2.0 wheels deliver optimized performance on challenging terrain. The front wheel’s compliance improves traction and handling over rough and technical surfaces, while the rigid rear wheel ensures stability and strength to withstand high-speed hits and sharp turns.

With reinforced rims, spokes, and a downhill-specific design, these wheels provide exceptional strength and dependability. Featuring contemporary DH Boost spacing, they are compatible with the latest downhill bike setups. Tested on the most demanding tracks, this wheelset offers consistent performance and confidence, turning every run into an opportunity for speed and control. The Synthesis DH Alloy 2.0 wheels transform each descent into your personal terrain.

KEY FEATURES

• Tuned Front & Rear System: Optimized alloy wheels designed for Downhill riding, with front- and rear-specific tuning to meet the unique performance demands and loads of mountain biking.
• Compliant tuned front wheel improves handling, grip and cornering control with an inner rim width that supports a wider tire profile, increasing volume and contact patch for improved turning performance.
• Stiff tuned rear wheel improves stability and tracking at speed by absorbing peak loads. A narrower inner rim width optimizes rolling resistance and sharpens tire edges for improved grip.. 
• A reinforced rim construction with 6069 aluminum and a shot-peened finish provide superior impact resistance and fatigue strength .
• Available equipped with Industry Nine 1/1 or Crankbrothers Ratchet hubs .
• Rims covered by lifetime warranty. 

Lifetime Warranty

Ride more, worry less - we'll cover your on-trail mishaps so you can focus on what counts.

Tuned Wheel System

Optimized wheel stiffness ensures efficient power transfer and increased speed, providing quick response and improved stability for precise cornering. Enhanced compliance boosts control and traction by minimizing trail vibrations and maintaining constant ground contact, resulting in smoother, faster turns. This design strikes an ideal balance—combining a compliant front wheel for accurate handling with a stiff rear wheel for maximum power and tracking—to deliver exceptional ride performance.