{"product_id":"rocksusp0029","title":"RockShox BoXXer Ultimate D2 29 Suspension Fork with LinearXL Air Spring \u0026 ButterWagonTech","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience Unmatched Control and Performance with the RockShox BoXXer Ultimate D2 Suspension Fork - the Choice of Champions for 29-Inch Trail and Enduro Riding\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eElevate your mountain biking with the next-level engineering of the RockShox BoXXer Ultimate D2 Suspension Fork, designed specifically for aggressive trail riding, downhill racing, and e-bike durability. Crafted from premium materials and packed with innovative features, this 29 fork delivers exceptional stiffness, responsiveness, and reliable performance in the most demanding conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Durability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eConstructed with high-strength aluminum for the crown, steerer tube, and stanchions, alongside magnesium lower tubes, the BoXXer Ultimate D2 ensures lightweight durability and excellent heat dissipation. The 38mm diameter stanchions provide unparalleled stiffness and shock resistance while maintaining a lightweight profile. The gloss black finish adds a sleek, professional aesthetic compatible with any bike build.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eFeaturing the advanced LinearXL air spring technology, this fork offers a coil-like ride feel - suppler off the top, supportive through mid-stroke, and equipped with a jounce bottom-out bumper for impeccable end-stroke control. The all-new LinearXL air spring guarantees consistent, predictable performance tailored for both trail and downhill applications, ensuring rider confidence on steep descents and technical terrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- Charger 3.2 Damper with ButterCups Technology: Provides precise, quiet damping with external high\/low-speed compression and rebound adjustments. ButterCups technology reduces high-frequency trail chatter by 20%, minimizing rider fatigue and increasing control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- ButterWagonTech Lubrication System: Maintains a continuous oil supply to the bushings, reducing friction and extending service intervals for long-lasting smoothness.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Maxima 920 15w Blended Oil: Optimizes overall friction reduction and fork responsiveness.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Control Bezel \u0026amp; Adjustments: Intuitive numbered compression controls enable quick tuning for different terrain conditions, from mellow climbs to aggressive descents.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Compatibility \u0026amp; Fit: Designed with a 20mm thru-axle (Boost 20x110mm TA), 52mm offset, 1-1\/8 straight steerer tube, and bolt-on fender compatibility (fender sold separately) - perfect for modern 29 wheel setups, including e-MTBs.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eThe BoXXer Ultimate D2's sleek gloss black finish pairs with aggressive trail, enduro, and downhill bikes. Its robust construction and advanced damping technology make it ideal for riders seeking supreme control, durability, and confidence on rocky descents, steep climbs, and high-speed DH runs. Whether you're a professional racer or an avid trail rider, this fork transforms your ride into a smoother, quicker, and more predictable experience.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- LinearXL Air Spring: Provides coil-like support with high consistency.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- ButterWagonTech Oil System: Ensures optimal lubrication, reducing friction and preserving performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- ButterCups Technology: Damps high-frequency trail chatter, reducing rider fatigue.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Rebound \u0026amp; Compression Tuning: Customizable damping to match your riding style and terrain demands.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Designed for E-MTB Compatibility: Built to withstand the extra stresses of electric mountain bikes.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003eUpgrade your ride with the RockShox BoXXer Ultimate D2 Suspension Fork - engineered for precision, durability, and speed. Conquer the toughest trails with confidence and stay ahead of the pack.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003eKeywords: RockShox BoXXer Ultimate D2, 29-inch suspension fork, downhill fork, trail suspension, enduro fork, linearXL air spring, ButterWagonTech, Charger 3.2 damper, mountain bike suspension, MTB forks, e-MTB compatible, high-performance bike fork, aggressive trail riding, downhill racing, 20mm thru axle, boost spacing, coil-like ride, adjustable damping, lightweight yet durable, aggressive bike geometry, black MTB fork\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eEnhanced control and speed with lightweight, durable materials designed for aggressive trail riding and downhill racing. \u003c\/li\u003e\n\u003cli\u003eInnovative LinearXL air spring delivers a coil-like, supple off-the-top response combined with precise support through the mid-stroke for consistent traction in challenging terrain. \u003c\/li\u003e\n\u003cli\u003eAdvanced Charger 3.2 damping technology with ButterCups reduces high-frequency trail chatter by 20%, decreasing rider fatigue and enhancing handling precision. \u003c\/li\u003e\n\u003cli\u003eMade with premium aluminum crowns and stanchions, magnesium lower tubes, and SKF Low-Grab seals, this fork offers superior strength, corrosion resistance, and long-lasting smooth performance. \u003c\/li\u003e\n\u003cli\u003eOptimized for 29-inch wheel size and 20x110mm Boost thru-axle compatibility, with adjustable High and Low-Speed compression, rebound control, and an ergonomic control bezel for easy setup during intense rides.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"RockShox","offers":[{"title":"Default Title","offer_id":43002867580995,"sku":"ROCKSUSP0029","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-glb-c5r55-shrt-48-d2-c-front_54fe976c-12ae-4f0d-9a46-abcf9a410bdc.png?v=1779318229","url":"https:\/\/tecopecosafe.com\/products\/rocksusp0029","provider":"365 Cycles","version":"1.0","type":"link"}