XCR34 Boost 2CR AIR 15AH2 29

SR SUNTOUR XCR34 Boost 2CR Air

Trail Control. Tuned to You. Built to Last.

Take your ride to the next level with the XCR34 Boost 2CR Air 15AH2 — a performance-focused fork that delivers rock-solid durability, and low-maintenance reliability. Whether you're exploring technical trails or flowing singletrack, the XCR34 gives you the confidence and control to push harder.

Dialed Suspension, Your Way

Equipped with an adjustable air spring, external rebound control, and a 2-stage compression lever, this fork lets you fine-tune your setup on the fly. Whether climbing, descending, or cruising in between, you’ll feel the difference in responsiveness and comfort.

At the heart of the fork is our 2CR cartridge, offering smooth, consistent damping and better ride feel across changing terrain.

Strength You Can Feel

The 34mm stanchions and Boost axle spacing create a stiff, confidence-inspiring platform built to handle the demands of modern trail riding. And with our sealed cartridge design, maintenance stays minimal — so you spend more time riding and less time wrenching.

• Adjustable Air Spring: Custom pressure settings for rider weight and terrain

• 2CR Sealed Cartridge: Consistent damping and long-term reliability

• 2-Stage Compression Lever: On-the-fly adjustability for changing conditions

• Rebound Adjust: Tune for comfort and control

• 34mm Chassis + Boost Axle: Strong, stable, and trail-ready

• Low Maintenance: Sealed internals for hassle-free performance

• 100-120mm internal travel settings
• Ships at 120mm travel
• 29" x 2.4"  maximum tire width
• 2 stage compression adjustment
• Adjustable rebound 
• Air adjustable preload
• Forged aluminum crown 
• Tapered 1.5"-1-1/8" aluminum steerer
• 34mm steel stanchion tubes
• Black finish
• 15x110mm boost dropout design
• 15LH tool free axle
• Lower magnesium casting
• Direct post mount disc design - 180mm
• 203mm maximum rotor size
• Internally adjustable travel setting
• 2300g
  
• 51mm offset
  
• 120nm travel has a 546mm axle to crown 
• Intergrated fender compatible (no fender included) 
• Fully serviceable
• 2 year limited manufacturing warranty
• Manufactured in Taiwan