{"product_id":"rocksusp0028","title":"RockShox BoXXer Ultimate D2 29\" Fork - LinearXL Air, Boost, Adjustable Damping","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eElevate your downhill and enduro riding with the RockShox BoXXer Ultimate D2 Suspension Fork - 29\"-the pinnacle of high-performance downhill suspension engineered for riders who demand absolute control, precision, and durability on the toughest trails. Designed from racing DNA, this flagship fork features advanced materials, innovative engineering, and cutting-edge technologies to deliver unwavering confidence and predictability in every run.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eBuilt with an aluminum crown and 38mm stanchions, combined with magnesium lower tubes, the BoXXer Ultimate offers an optimal balance of strength, lightweight performance, and heat dissipation. The 1-1\/8\" aluminum steerer tube ensures a sturdy connection to your frame, while the vibrant Electric Red finish highlights its aggressive styling.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eThe standout LinearXL air spring provides a coil-like, smooth ride, offering consistent support from off-the-top support to bottom-out jounce. Complemented by a jounce bumper, it ensures end-stroke control, minimizing harsh impacts and delivering a plush yet supportive feel. The integrated ButterWagonTech lubrication system maintains optimal oil flow to the bushings, reducing friction and extending service intervals for sustained performance on demanding terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eAdvanced Components \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003e- Charger 3.2 Damper: Equipped with Rebound and Compression tunings tailored to the LinearXL spring, providing a near-silent, precise damping response. External adjustments include high-speed compression, low-speed compression, and rebound controls, with an intuitive control bezel featuring numbered settings for easy tuning.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- ButterCups Technology: Reduces 20% of high-frequency trail chatter, decreasing rider fatigue and improving control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Maxima 920 Blended Oil: Minimizes friction within the fork, ensuring smooth operation and enhanced durability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Compatibility \u0026amp; Versatility: Designed for 29\" wheels with a maximum tire width of 81mm and compatible with disc brakes using Post Mount 200mm calipers. Features a 20x110mm Boost thru-axle and bolt-on fender compatibility (fender sold separately). The fork is also optimized for e-bike applications, offering robust performance for electric mountain bikes.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eAggressively styled in bold Electric Red, the BoXXer Ultimate is built for downhill racing, enduro riding, and gravity-focused trail sessions. Its 200mm travel, 52mm offset, and sturdy construction allow aggressive riders to tackle steep descents, technical descents, and jumps with unmatched composure and confidence.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- LinearXL air spring delivering coil-like suppleness and support\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- ButterWagonTech lubrication for consistent performance and reduced maintenance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- ButterCups technology for trail chatter reduction and rider fatigue mitigation\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Fully adjustable external damping controls for personalized tuning\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Compatibility with high-volume tires and e-bike demands for versatile riding\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003eUpgrade your downhill ride with the ultimate in suspension technology. The RockShox BoXXer Ultimate D2 combines race-proven engineering, advanced materials, and innovative features to keep you at the front of the pack-delivering predictable, controlled, and confident performance on every run.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance 29\" suspension fork engineered for racing and aggressive trail riding, featuring an all-new LinearXL air spring for a coil-like ride and unparalleled predictability on the trail. \u003c\/li\u003e\n\u003cli\u003ePremium materials including aluminum crown and stanchions, magnesium lower tubes, and ButterWagonTech oil management ensure lightweight durability and smooth performance over demanding terrain. \u003c\/li\u003e\n\u003cli\u003eAdvanced damping technology with Charger 3.2 damper, adjustable high and low-speed compression, rebound, and ButterCups technology provide precise control, reduced trail chatter, and increased rider comfort in any situation. \u003c\/li\u003e\n\u003cli\u003eDesigned for modern enduro and downhill use, this boost 20x110mm axle spacing with a 52mm offset and 200mm travel optimizes stability, traction, and confidence during aggressive descents and technical climbs. \u003c\/li\u003e\n\u003cli\u003eInnovative features like intuitive external adjustments, bolt-on Fender compatibility, and support for ebike applications make this suspension fork versatile, easy to tune, and built for riders seeking ultimate control and reliability on demanding trails.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"RockShox","offers":[{"title":"Default Title","offer_id":43002867712067,"sku":"ROCKSUSP0028","price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/fs-bxr-ult-29sb-200-red-c5r55-shrt-48-d2-c-front_ff34f887-f64c-40e1-b571-44e39cd81ecd.png?v=1779351193","url":"https:\/\/tecopecosafe.com\/products\/rocksusp0028","provider":"365 Cycles","version":"1.0","type":"link"}