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BoXXer Ultimate



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Currently out of stock until .

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More than 20 years ago, BoXXer changed the DH world when it hit the scene, featuring Charger™ 2.1 damper for unrivaled control between the tape. Ultra-low friction SKF wiper seals and race-proven Maxima Plush damping fluid all work overtime to reduce friction, noise, and provide lasting fork performance all the way to the finish corral.

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  • Completely re-designed to reduce hand fatigue and fight unwanted friction, the new Charger™ 2.1 damper increases confidence and control over every trail
  • Charger™ 2.1 RC2 damper featuring independent high and low speed compression adjust
  • New ultra-low friction SKF wiper seals provide long lasting fork performance and improve overall suspension feel
  • New Maxima Plush damping fluid reduces friction and silences damper noise
  • New foil graphics
  • BoXXer Red Signature color option
  • Highly tunable DH-specific DebonAir™ spring offers a coil-like consistent feel throughout the travel
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Some variations of this product featured on this page are not available for purchase and are installed on bicycles as complete bikes only. See your dealer for details.



Wheel size 27.5", 29"
Travel (mm) 180mm, 190mm, 200mm
Steerer 1-1/8" Aluminum
Axle 20x110mm BOOST™
Spring DebonAir
Fork offset 36mm (27.5"), 46mm (27.5"), 46mm (29"), 56mm (29")
Maximum Rotor Size 220mm
Upper tube type 35mm straight wall aluminum
Max Tire Width (mm) 81
Minimum Rotor Size 200mm
E-Bike Approved E-bike Approved
Damper Type Charger 2.1 RC2
Volume reducer 0/6 Tokens, 1/6 Tokens, 2 Tokens, 2/6 Tokens
Color (FS) BoXXer Red, Gloss Black
Fender Compatibility n/a
Weight (g) 2565
Weight Based On 27.5" BOOST, 200mm, Maxle Stealth, Short Crown


Installation. Service. Compatibility. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub.

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It’s like having a personal tuner in your pocket. RockShox TrailHead App is the starting point to get your suspension dialed in for the perfect ride. Tuning recomendations, upgrade information, and service support all in your hand.

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