RockShox BoXXer Ultimate Charger 3.2 29" D2 Fork

The RockShox BoXXer Ultimate Charger 3.2 29" D2 Fork is a downhill race fork built to deliver consistent control, reduced fatigue, and predictable speed on demanding terrain. Its LinearXL air spring gives a coil-like feel with support across the full stroke, while ButterWagonTech keeps lubrication constant to reduce friction and maintain smooth performance. The Charger 3.2 damper with ButterCups filters trail chatter and simplifies setup, so the fork stays composed and easy to control at speed.

Key Features and Benefits:

• LinearXL air spring design: This air spring is tuned to replicate a coil feel, staying supple at the start of the stroke while adding support through the mid-stroke and control at full compression. This balance improves grip and stability, so you maintain consistent speed over rough terrain.
• ButterWagonTech lubrication system: This system keeps oil flowing continuously to the bushings, reducing friction during use. Lower friction leads to smoother suspension movement, which helps maintain control and consistent performance over long runs.
• Charger 3.2 RC2 damper with matched tunes: The damper uses balanced rebound and compression settings to control fork movement precisely. This improves tracking and stability, so the fork reacts predictably to impacts and terrain changes.
• ButterCups vibration damping: Integrated ButterCups reduce high-frequency vibrations by up to 20%. Less vibration reduces hand and arm fatigue, allowing you to stay in control for longer periods.
• Independent HSC and LSC adjustment: High-speed and low-speed compression controls let you fine-tune the fork response. This allows accurate setup for different tracks, resulting in better support under braking and improved control at speed.
• Numbered compression adjustment bezel: Clear numbered settings make it easy to repeat and communicate setup choices. This saves time when tuning the fork and ensures consistent performance between runs.
• SKF low-friction wiper seals: These seals reduce drag at the fork interface while keeping contaminants out. Lower resistance improves sensitivity, so the fork responds quickly to small bumps.
• Maxima 920 15W suspension oil: This oil blend reduces internal friction and maintains damping consistency. Stable damping performance helps the fork stay smooth and controlled across varying conditions.

Maintaining control at high speed depends on consistent suspension behaviour, not just travel. The BoXXer Ultimate focuses on reducing friction, managing vibration, and supporting the rider through the full stroke. The LinearXL air spring and Charger 3.2 damper work together to keep the fork stable under load, while ButterWagonTech and SKF seals ensure smooth operation over time. This combination supports accurate line choice and predictable handling on technical descents.

If you want a fork that stays consistent under pressure and keeps setup simple, this model delivers. Its controlled feel and low-friction design make it a reliable choice for repeatable performance on demanding tracks.

Specifications:

• Wheel size:  29"
• Travel: 200mm
• Damper type: Charger 3.2 RC2 with ButterCups
• Fork offset: 44mm (27.5"), 48mm (27.5"), 48mm (29"), 52mm (29")
• Colour: BoXXer Electric Red (Gloss), Gloss Black
• Axle: 20×110mm Boost
• Upper tubes: 38mm aluminium
• Volume reducer: 0/6 Tokens
• Spring: DebonAir+ with ButterCups, Linear XL with ButterCup
• Crown OD: 42mm
• Compression tune: C5
• Rebound tune: R55