The RockShox Sid RLC 27.5" Solo Air 15x100 mm thru axle fork has the best reputation and has been on the podium the most in Cross Country in the MTB World Cup and is now available in 29" and 27.5". The SID RLC is one of the lightest forks on the market. Cushioning: Motion Control DNA with Dig valve and Rapid Recovery technology Features: - Technologies: Air Guides, Dig Valve, Rapid Recovery, Solo Air,Motion Control XX - Use: XC - Cross Country - Wheel size: 27.5" - Travel: 100 mm - Steering tube: Tapered carbon - Spring: Solo Air - Cushioning: Motion Control DNA with Dig valve and Rapid Recovery technology - Adjustments: external recovery, open and close with Floodgate through an XLoc remote control - Damper: Motion Control - Axle: 15x100 mm - Remote control: No - Weight: 1366 g