Crankbrothers Synthesis 29" Alloy 2.0 DH 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 precision performance on challenging terrain. The front wheel’s compliance improves traction and handling over rocky and root-filled trails, while the rigid rear wheel ensures robust stability and resilience during high-speed collisions and sharp turns.

The reinforced rims, spokes, and downhill-specific design provide exceptional strength and dependability, while the inclusion of contemporary DH Boost spacing ensures seamless fitment with current downhill bikes. Tested on the most challenging tracks, this wheelset boosts confidence and performance, delivering consistent speed with every run. With the Synthesis DH Alloy 2.0 wheels, every downhill ride is 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

WRear wheel stiffness optimizes power transfer and speed, providing quick response and improved tracking for assured cornering. Enhanced compliance increases control and traction by minimizing trail vibrations and maintaining consistent ground contact, enabling faster, smoother turns. This design strikes the ideal balance between a compliant front wheel for precise handling and a rigid rear wheel for maximum power and stability, delivering exceptional ride quality.