SKU: 48547264018

Mach 4 SL Ride GX Transmission

Sale price$2654.97 Regular price$2949.97
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

Mach 4 SL Ride GX TransmissionMeet the all new Mach 4 SL; a podium seeking missile crafted from the ground up as a testament to speed without compromise. It is designed to win gold and slaughter KOMs, and do so while delivering an otherworldly ride quality, telepathic handling, and a potent blend of acceleration and tractability. Thanks to the continuing evolution of our proprietary Hollow Core carbon fiber construction, the new Mach 4 SL carves an impressive 280 grams out of the

Meet the all new Mach 4 SL; a podium seeking missile crafted from the ground up as a testament to speed without compromise. It is designed to win gold and slaughter KOMs, and do so while delivering an otherworldly ride quality, telepathic handling, and a potent blend of acceleration and tractability.

Thanks to the continuing evolution of our proprietary Hollow Core carbon fiber construction, the new Mach 4 SL carves an impressive 280 grams out of the previous generation Mach 4 SL. This impressive absence of mass was achieved while improving on our excellent performing dw-link suspension, and without sacrificing strength, frame stiffness or handling integrity. 

We’ve tweaked our acclaimed dw-Link suspension to deliver the immediate acceleration and responsiveness that racers crave, but also to serve up better, more tractable performance across the entire ride spectrum. The kinematics are tailored for pedaling efficiency and outright speed without sacrificing comfort or compliance. This is highly evolved, thoroughly refined suspension, not some compromised band-aid. The Mach 4SL brings the heat, but also vastly improves upon the current notion of race bike tractability and suspension performance. Think of it as the fun way to the top step of the podium.

Lighter, faster, more capable everywhere. That’s the Mach 4SL in a nutshell. Our design brief was “World Cup focus, but let it punch above its weight”. So we gave it some more reach, steepened the seat angle, backed off the head angle, opened up the wheelbase, and built a bike that can handle serious speed with total composure. This, combined with the flex-free integrity of the Mach 4 SL’s chassis, encourages full-on red-mist hammering without any sketchy side effects. It’s a race bike first and foremost, but it’s a hell of a fun party on the way to the checkered flag.

The Mach 4 SL is as versatile as it is speedy. The World Cup build can yield 95mm or 103mm of rear travel, easily adjusted by a flip chip on the rocker. The Trail build, aimed at squeezing as much fun as humanly possible out of a ride while going really really fast, delivers either 106 or 115mm of rear travel thanks to a brand new FOX Float rear shock. There’s tire clearance for 2.4” rubber, and room for two water bottles. Short track domination? World Cup dreams? Marathon Mindset? Singletrack shredding? Yes. Do it all.

FEATURES:

  • New XC Adapted Travel, Adjustable Flip-Chip: A New Travel-Adjustable Flip-Chip on all builds. The World Cup builds yield either 95mm or 103mm of rear travel with an ultralight FOX DPS rear shock and easily adjustable flip-chip on the rocker.|Team, Pro, and Ride builds yield either 106mm or 115mm of rear travel from the FOX Float rear shock and easily adjustable flip-chip on the rocker
  • DW-Link: Patented position-sensitive anti-squat eliminates pedal bob during hard pedaling efforts. Improved traction and versatility in a variety of conditions. Superior pedaling performance without sacrificing braking or suspension feel.
  • Vertical Shock Layout: The vertical shock layout allows for a more compact frame design and lower overall center of gravity. It is stiffer, lighter, and enables us to better optimize suspension kinematics independent of the shock mounting location. The result is a frame that’s lighter and stifferin all the right places with excellent water bottle clearance and full control over stand-overheight just to add to the benefits.
  • An XC Dream: Featherlight carbon frame. The new Mach 4SL carves an impressive 300-400 grams (.65-.9lbs) out of the previous generation. • Small frame weight w/o rear shock: 1660 grams (3.65lbs).• Small frame with rear shock (DPS): 1930 grams (4.25lbs).• Complete bike weight under 23lbs (Size small, XX World Cup build).
  • Proprietary Ride Tuning: Fits riders 4’10” to 6’7” with size range X-Small through X-Large. Lighter shock valving on X-Small and Small frame sizes. Independent strength to weight analysis for each frame achieves consistent performance metrics. Custom-tuned carbon scales stiffness across all sizes, ensuring optimal ride characteristics for all rider profiles
  • Water Bottle ClearanceAll sizes fit a large water bottle inside the frame. Clearance for two water bottles on MD-XL

SPECS:

Frame Pivot Mach 4 SL
Fork
Fox Performance Stepcast 34 29", 44mm offset, GRIP - 120mm
Rear Shock Fox Performance Float
Rims/Wheels DT Swiss X1900
Hubs DT Swiss 370 hub - 15x110 F/12x148 R
Spokes N/A
Tires Maxxis Ardent Race 29" x 2.2" TR, EXO, 120 TPI
Crankset Sram GX Eagle DUB
Chainrings Sram GX Eagle 32t
Chain Guide N/A
Bottom Bracket Sram DUB
Chain Sram GX Eagle Transmission Flattop 12-Speed
Rear Derailleur Sram GX Eagle Transmission 12-Speed
Cassette/Rear Cogs Sram GX 1275 Eagle Transmission 10-52t
Shifters Sram AXS Pod Controller
Handlebars Phoenix Race Low Rise Aluminum - 780mm
Grips Phoenix Factory Lock-On
Stem Phoenix Team XC/Trail
Brakes Sram Level TL 2-piston
Pedals N/A
Saddle Phoenix WTB Race Volt (Narrow Width)
Seat Post
Fox Transfer Performance Elite 125mm (XS-SM), SDG TELLIS 150mm (MD-LG), Fox Transfer Performance Elite 175mm (XL)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48547264018

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Chris G.
Massapequa, US
★★★★★ 5
Buy this stuff!
Size: 4 Ounce (Pack of 1)
Smooth flavor, really good, no chemical aftertaste.
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Reviewed in the United States on May 25, 2026
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Queen-Noth-ING
Fort Morgan, US
★★★★★ 4
Makes my sensitive teeth have a magical shield
Size: 4 Ounce (Pack of 1)
I've been using the Boku sensitive toothpaste twice a day for almost 2 months now and it's definitely improved my tooth sensitivity since I first started. I used to have to be extra careful about what I ate or drank, specially while out in the cold because the pain I felt was unbearable. Now it's like a magical coating is protecting them because it's barely noticable anymore. I also really like that it doesn't taste bad, and it leaves my teeth looking a few shades lighter and my breath stays pretty fresh for a decent amount of time after using. The only thing I would change is the consistency because it's a lil thin and kinda flings everywhere on my spin brush but that isn't enough to make me dislike it.
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Reviewed in the United States on April 28, 2026
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G. Welsh
Port Orchard, US
★★★★★ 5
Works amazing! Worth the price!
Size: 4 Ounce (Pack of 1)
I absolutely love this toothpaste, I read an article where you can 100% use it with your Sensodyne or Colgate sensitivity toothpaste to get the sensitivity benefit from that as well as the remineralizing from this toothpaste. I didn’t notice a texture difference at all, the taste was good, I will definitely be buying this again. I used it with David’s coconut oil pulling and my teeth feel amazing, no sensitivity to cold or hot anymore! Buy it yesterday you won’t be disappointed
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Reviewed in the United States on May 20, 2026
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Massapequa, US
★★★★★ 5
Not super strong
Size: 4 Ounce (Pack of 1)
This is the stuff I reach for. It’s mild enough where I don’t feel like people around me can smell inside my mouth. But still powerful enough where my mouth feels fresh. Good for my sensitive teeth too. Very helpful
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Reviewed in the United States on May 25, 2026
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allen rainey
Port Orchard, US
★★★★★ 5
Boka tooth paste works very well
Size: 4 Ounce (Pack of 1)
The sensitive of my teeth has gone.
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Reviewed in the United States on May 25, 2026

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