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Rockshox BoXXer Ultimate Charger 3 2024

Rockshox BoXXer Ultimate Charger 3 2024


Regular price £2,029.00
Regular price Sale price £2,029.00
Sale Sold out
Tax included.

Please Note: We are unable to supply these forks for Sur-Ron Electric Motorcycles. We have yet to assess them for tuning data and don't currently have it planned.

Free Tuning!
Custom Tuning included (worth £85)

Please Note: We are unable to supply these forks for Sur-Ron Electric Motorcycles. We have yet to assess them for tuning data and don't currently have it planned.

We offer a calculated tuning service – using endless data acquired from hours of testing and data logging, we can make calculated and informed decisions on what settings, re-valving and modifications are suitable for you. Your suspension will be thoroughly tested with our dyno facilities and tailored to you and your riding style.
Find Custom Tuning Information Here

Key Features
  • NEW 38mm chassis designed to meet the needs of the world’s fastest racers with balanced stiffness and ride quality.
  • NEW DebonAir+ twin tube air spring strikes the perfect balance between butter-smooth small bump feel, added support throughout the travel, and taller ride height for confidence when things get steep.
  • NEW Signature colorway BoXXer Electric Red with an all-new graphics package.
  • NEW RockShox premium fender compatibility (RockShox Bolt-On Fender included with purchase).
  • NEW Lightweight machined and anodized crown for premium looks and durability.
  • NEW Crown height gradient creates a visual guide to simplify setup, no ruler required.
  • Charger 3 damper tuned for BoXXer’s updated chassis and spring.
  • Featuring High Speed Compression, Low Speed Compression, and a revamped Low Speed Rebound, every click is meaningful and exact. This allows the rider to tune to perfection with every click.
  • ButterCups block 20% of high-frequency “trail chatter” to reduce hand and arm fatigue, leaving you feeling fresh with more control.
  • Ultra-low-friction SKF wiper seals provide long-lasting fork performance and improve overall suspension feel.
  • Maxima Plush damping fluid reduces friction and silences damper noise.
  • Maxima Plush Dynamic Suspension Lube reduces friction, lasts longer, and enhances suspension performance ride after ride

Redesigned by the world’s fastest racers, for the world’s fastest racers, you want BoXXer in your corner. The all-new 38mm chassis is equipped with the DebonAir+ twin tube air spring that will have you thinking it’s a coil. Paired with a Charger 3 damper tuned for downhill speed, BoXXer Ultimate takes you straight to the top step of the podium.

Model designator (SF): Ultimate.
Wheel size: 27.5" & 29".
Travel (mm): 180,190,200mm (Replacement Airshaft Required).
Damper Type: Charger 3 RC2 W/ButterCups.
Fork offset: 48mm & 44mm (27.5"), 48mm & 52mm (29").
Maxle included: Maxle Stealth.
Colour (FS): BoXXer Electric Red - Gloss and  Gloss Black.
E-Bike Approved: E-bike Approved.
Steerer: 1-1/8" Aluminium.
Axle: 20x110mm BOOST™.
Axle to Crown height (mm): 586.
Brake type (FD): Disc.
Crown Material: Forged, 6061 T-6 aluminium, direct mount stem compatible.
Upper crown type: Short/Tall.
Lower leg type: Magnesium.
Upper Tube Finish: Fast Black.
Upper tube type: 38mm aluminium.
Damper adjust: Crown.
Damping adjustments: Extl begin stroke rebound, low speed comp, high speed comp.
Volume reducer: 0/6 Tokens.
Spring: DebonAir+ W/ButterCups .
Spring rate: n/a
Max Tire Diameter (mm): 732.
Max Tire Width (mm): 81.
Maximum Rotor Size: 220mm.
Minimum Rotor Size: 200mm.
Fender Compatibility: Bolt On.
Short Crown OD (mm): 42.

Action Interval
Clean and Lubricate Every Ride
Inspect for scratches to stanchions, dents and other signs of wear Every Ride
Check headset, axle and brake torque Every Ride
Oil Bath Replacement 50hrs use
Wiper Seal Replacement 50hrs use
Full Service Every 100hrs of use / 12 months whichever comes first.
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Why J-Tech?

Comprehensive Servicing and Tuning
J-TECH offers servicing and tuning for a diverse range of suspension products, ensuring a broad spectrum of customer needs can be met.

Highest Standards
The standard of servicing and tuning provided by J-TECH is unparalleled, representing the best in the industry.

Data-Driven Approach
Leveraging years of experience and data from extensive data logging and dyno testing, J-TECH provides a calculated service, eliminating guesswork, myths, and hype for a job done with the utmost precision.

Athlete Support
J-TECH backs up its expertise by supporting athletes at all levels, including a world cup DH team, DH world cup riders, and EWS riders, demonstrating their commitment to excellence.

In-House Brand
With their own brand of suspension upgrades, tooling, and spare parts at, J-TECH consolidates their experience and knowledge to offer high-quality products, aiming to optimize your suspension for peak performance.

Continuous Innovation
J-TECH is at the forefront of new technologies, constantly pushing the boundaries to provide customers with the best possible service, ensuring they stay ahead in the dynamic field of suspension technology.