Rock Shox ZEB Ultimate RC2 Fork No trail too gnarly. The Rock Shox ZEB is purpose-built for riders who don't back down from the steepest double-blacks, the gnarliest freeride features, with the occasional punchy climb in between. This latest ZEB Ultimate raises the bar across the board. The all-new Linear XL air spring delivers a coil-like feel; supple off the top, supportive through the mid-stroke, and backed by Adjustable Bottom Out (ABO) for confident, controlled end-stroke performance. The Charger 3. 2 RC2 damper with Butter Cups technology achieves virtually silent performance, isolating trail chatter and keeping riders dialed-in on the line ahead. Butter Wagon Tech (found exclusively on Ultimate-level forks) maintains a constant oil supply to the bushings throughout the entire service interval, reducing friction and keeping performance consistent from the first ride to the last. Intuitive HSC/LSC controls and a numbered Compression adjuster make setup fast and easy to communicate, so you can spend less time in the parking lot and more time on the trail. The ZEB delivers the composure riders need to pick their line and hold it - no matter how extreme the terrain. Features New Linear XL air spring delivers a consistent, predictable, coil-like ride feel, backed by Adjustable Bottom Out (ABO) for confident end-stroke control Butter Wagon Tech ensures a constant supply of oil to the bushings, reducing friction and maintaining smooth performance throughout the entire service interval (exclusive to Ultimate forks)Charger 3. 2 RC2 damper with Butter Cups technology achieves virtually silent performance with new Rebound/Compression tunes matched to the Linear XL air spring New Control bezel with numbered Compression adjuster makes setup intuitive - start at "0" and dial in from there Butter Cups technology blocks 20% of high-frequency trail chatter to reduce hand and arm fatigue New integrated short fender mount with ZEB Integrated Fender included Low-grab SKF wiper seals deliver long-lasting fork performance and a smoother ride throughout the service interval Maxima 920 blended 15w oil reduces overall fork friction New graphics package with a minimalist design and maximum impact Available in Electric Red or Ultimate High Gloss Black Signature colorways SPECIFICATIONSWheel Size29"Damper Type Charger 3. 2 RC2 W/Butter Cups Fork Offset44mm Axle15x110mm BOOST, TC Compt Upper Tube Type38mm Aluminum Spring Linear XL W/Butter Cup Crown OD59mm Bottom Out Externally Adjustable Bottom Out | Rockshox | Zeb Ultimate B1 Charger 3. 2 29" Fork 29", 160Mm, 44Mm Offset, Black