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Mach 4 SL Pro XT/XTR Carbon Wheel Mountain Bike

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Color:Ice Blue


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Why We Like The Pivot Mach 4 SL Pro XT/XTR Carbon Wheel Mountain Bike

Cross-country racer at heart but reborn to be more capable and fun, the Pivot Mach 4 SL enhances performance while making no compromises. We love the Pivot Mach 4 SL for its ultralight frame, adjustable geometry and travel, and recent frame improvements that don't lose sight of its race origins. Pushing the boundaries to make the Mach 4 SL more capable but still with a World Cup focus, Pivot elevated what a cross-country race bike could be and slackened the head tube, steepened the seat tube, lengthened the chainstays, reach, and wheelbase, all while shaving weight by 280 grams from the previous model's frame. The Mach 4 SL also features a new rocker link incorporating a flip chip for adjustable geometry. Now equipped with 106mm of premium DW-Link suspension over the previous 100mm, the Mach 4 SL is more capable than ever and also gives us the option of changing to 115MM when we adjust the geometry, allowing us to easily change our ride to better suit the terrain. With a 66.7-degree head tube angle when equipped with a 120mm fork, the head tube angle is much slacker compared to the previous model, allowing us to be more composed and confident when descending. A longer reach and wheelbase allow us to be more stable on the descents, and a steeper seat tube angle puts us in a more efficient climbing position to make short work of the technical climbs. The improved DW-Link suspension and redesigned rocker link not only bring us more travel but give us more efficient pedaling performance and improved traction in various scenarios.

The Pro XT/XTR Carbon Wheel build of the Pivot Mach 4 SL is race-ready and features an impressive components spec that won't break the bank. Pivot's premium carbon frame went through a weight loss program this year, shaving 280 grams over the previous version, giving us a stiff, lightweight, and premium carbon fiber frame. Shimano's mixed XT and XTR drivetrain provides reliable shifting that sports incredible value for the build, giving us a reliable, wide-range drivetrain known for its precision. For some lightening fast race wheels, Pivot slapped on the Reynolds Blacklabel 309/289 XC rims paired with Industry Nine Hydra hubs to give us a top-tier wheelset capable of turning heads. A Fox Factory 34 StepCast fork with 120mm of travel is lightweight, has compression and rebound adjustments, and helps to smooth out the trail. Rounding this build off, the new Fox Factory Float rear sock gives adjustable suspension performance and ground-gripping traction, and a remote lockout with a handlebar-mounted SRAM TwistLoc allows us to easily lock out our shock for climbing efficiency.

*Due to a high demand in the global supply chain and bike industry since the start of the pandemic, material weight and exact components are subject to change. We are working diligently to keep tech specs updated, and any adjustments will be of equal or better spec level. If you have any questions, reach out to a Gearhead by chatting online or calling 1-888-276-7130.


  • Cross-country race bike with improved capabilities
  • Premium carbon frame with enhanced stiffness and reduced weight
  • 106mm of DW-Link suspension with the option to change to 115mm
  • XT/XTR drivetrain gives us reliable, precise shifting
  • Reynolds Blacklabel 309/289 XC carbon rims are top-tier and lightweight
  • Fox Factory Float rear shock can be locked out for efficiency
  • Flip chip in rocker link allows us to change geometry and travel
  • Fox Factory Step-Cast 34 120mm fork is lightweight and capable
  • Item #PIV1X0A
Frame Material
Rear Shock
Fox Factory Float, w/SRAM TwistLoc
Rear Travel
106mm, 115mm
Fox Factory Step-Cast 34, FIT4, 29in
Front Travel
Pivot Precision Sealed Integrated Cartridge
Shimano XT M8100 ISPEC EV, 12-Speed
Rear Derailleur
Shimano XTR M9100 SGS, 12-Speed
Race Face Aeffect R, alloy
Chainring Sizes
Crank Arm Length
[x-small, small] 170mm, [medium, large, x-large] 175mm
Bottom Bracket
Shimano SM-BB92
Shimano SLX M7100
Cassette Range
Shimano CN-M7100, 12-Speed
Shimano SLX M7100
Brake Type
[front, rear] Shimano SLX 6-bolt, 160mm
Phoenix Team Flat Carbon
Handlebar Width
Sram TwistLoc
Phoenix Team XC/Trail
Stem Length
Phoenix WTB Pro Volt
Fox Transfer Factory Series
Seatpost Travel
[x-small, small] 125mm, [medium, large] 150mm, [x-large] 175mm
[front] Reynolds Blacklabel 309 XC, 30mm 29in, carbon, [rear] Reynolds Blacklabel 289 XC, 28mm, 29in, carbon
[front, rear] Industry Nine Hydra hubs
Front Axle
15 x 110mm Boost
Rear Axle
12 x 148mm Boost
Tire Clearance
[rear] 2.4in
[front, rear] Maxxis Rekon Race, TR, EXO, 120 TPI
Tire Size
[front, rear] 29 x 2.4in
not included
downtube protector, chainstay protector, flip chip, 2 water bottle mounts
Claimed Weight
[frame, size small, w/o shock] 3lb 10.55oz (1660g)
Manufacturer Warranty
[bikes, frames] limited 10 year, [paint, coating, finish, decals] limited 1 year

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