Crankbrothers Synthesis 27.5" Alloy 2.0 DH Boost Rear Wheel 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 rocks, roots, and technical sections, while the rigid rear wheel ensures the strength and stability required to withstand high-speed hits and sharp turns.

Featuring reinforced rims and spokes with a downhill-specific design, this wheel offers exceptional durability and reliability. Its modern DH Boost spacing ensures seamless fitment with current downhill bikes. Tested on the most demanding courses, the Synthesis DH Alloy 2.0 wheelset delivers consistent speed and confidence, making every descent an opportunity to excel.

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 responsiveness and improved tracking for assured cornering. Enhanced compliance boosts control and traction by minimizing trail vibrations and maintaining consistent ground contact, enabling faster, smoother turns. This design achieves an ideal balance—a compliant front wheel for precise handling paired with a rigid rear wheel for maximum power and stability—delivering superior ride quality.