Pivot Mach 4 SL Team XX Eagle Transmission Flight Attendant Bike
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Pivot Mach 4 SL Team XX Eagle Transmission Flight Attendant Bike Info
The Pivot Mach 4 SL Team XX Eagle Transmission Flight Attendant Bike is Pivot's cross-country race platform built with the fullest electronic build SRAM and RockShox currently offer. Pivot describes the Mach 4 SL as "XC, distilled to its fastest form," and this build backs that up: SRAM's wireless Eagle Transmission drivetrain, RockShox's automatic Flight Attendant suspension, and a Hollow Core carbon frame developed from Pivot's World Cup racing program. At $13,999, it's positioned for a rider who wants a race-day mountain bike without a single component left to guess about.
Frame construction uses Pivot's highest-modulus carbon fiber, molded with the brand's proprietary Hollow Core technology, which Pivot says trims 300 to 400 grams compared to the previous Mach 4 SL generation. Suspension runs on Pivot's dw-link design, using position-sensitive anti-squat to resist pedal bob under hard efforts while still working deeper in the stroke to absorb bigger hits. Travel is adjustable between 110mm and 120mm at the rear paired with a 120mm fork, letting a rider tune the bike between a pure XC race setup and something with more cushion for longer, rougher days.
Flight Attendant Suspension
The RockShox SID Ultimate fork and SIDLuxe Ultimate shock run Flight Attendant, RockShox's automatic electronic suspension system. Sensors at the fork, shock, and crank sample data every five milliseconds and switch the suspension between Open, Pedal, and Lock damping positions without rider input. Because the system reads pedaling input alongside trail data, it's built to anticipate terrain rather than just react to it, firming up for a hard pedaling effort and opening back up the instant the trail turns rough or drops away underneath you.
Eagle Transmission Drivetrain
The SRAM XX SL Eagle AXS Transmission drivetrain uses SRAM's direct-mount, hangerless derailleur interface, which bolts straight to the frame at the rear axle instead of relying on a replaceable hanger. That mount is rated to withstand significant impact force before deforming, and the derailleur needs no B-tension or limit screw adjustment after setup. The SRAM XX SL Eagle DUB crankset carries an integrated power meter and runs a single 34t chainring against a 10-52t XS-1299 Eagle Transmission cassette, shifted through an AXS Pod Ultimate controller. Braking comes from SRAM Motive Ultimate four-piston hydraulic disc brakes on 180mm front and 160mm rear rotors, and a RockShox Reverb AXS dropper post handles seat height on the fly.
Reynolds Blacklabel 309 XC Pro carbon wheels laced to Industry Nine Solix hubs keep rotating weight down, wrapped in Maxxis Rekon TR tires in a 29x2.4 EXO casing for a tire that rolls fast without giving up much traction on loose or rocky XC courses. The frame is available from XS through XL, with a medium running a 66-degree head angle, 75-degree seat angle, and 450mm reach, geometry numbers built for stability at speed without losing the sharp, predictable cornering an XC racer needs on a tight, technical lap.
This is a bike for a rider racing or training at a level where automatic suspension tuning and a power meter crank are worth the investment, not a casual trail bike that happens to have electronic parts bolted on. The adjustable travel and Flight Attendant's ability to open up on rougher terrain give it more range than a dedicated hardtail-adjacent XC race bike, while the dw-link suspension and Transmission drivetrain keep it efficient enough for a rider counting every watt on a long climb.
Pivot Mach 4 SL Team XX Eagle Transmission Flight Attendant Bike - Specifications
*Specifications are subject to change.
Pivot Mach 4 SL Team XX Eagle Transmission Flight Attendant Bike Geometry
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The R&A Transporter Bike Box
Shipping bikes can be tricky. They are big and bulky but delicate. Shipping your passion / investment is nothing we take lightly. We go through great detail to ensure your new ride will get to you in perfect condition.
So you've purchased the bike of your dreams! We've put together this video to outline the R&A concept of shipping bikes and the steps we take to get you your new bike in perfect condition. It will show you the careful steps we take to assemble your bike to make it as easy as possible for you to get your bike on the road when you receive it. Ready to ride. It will also show you the tips and tricks of removing all of your parts in the most careful way to ensure your riding as quickly as possible.

