2021 Santa Cruz Bullit CC MX XT Air Kit


2021 Santa Cruz Bullit CC MX XT Air Kit

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2021 Santa Cruz Bullit MX-XT Air 2021 Santa Cruz Bullit MX-XT Air

2021 Santa Cruz Bullit MX-XT Air

The only thing better than absolutely shredding a monster descent is shredding another monster descent. Hit them all with the all new 2021 Santa Cruz Bullit MX-XT Air pedal assist enduro full suspension mountain bike.


Product Description

The 2021 Santa Cruz Bullit MX-XT-Air pedal assist enduro full suspension mountain bike was created for doing one thing multiple times - ripping laps up and down until the sun sets. Shuttles or chair lifts will be things of the past when you hop on this climbing machine that descends like a Bullit.

Descents are almost always a blast, but climbing has always been the least fun part of mountain biking - especially on a larger, heavier bike designed for enduro or pure downhill bombing. The Santa Cruz Bullit aims to change that with its innovative approach to pedal assist technology.

Using a Shimano STEPS EP8 motor and battery pack - considerably lighter and smaller than most mountain bike pedal assist motors - the Santa Cruz Bullit will have you adding hours and laps to your weekend rides.

While the motor is an enormous difference maker, so is the Bullit’s unique approach to ride experience. Loaded up with 170mm travel and a 38mm fork, the Santa Cruz Bullit MX-XT Air optimizes ride experience with a mixed-wheel approach - 29 inches up front for better speed and obstacle crushing, 27.5 in back for better traction and handling capabilities.

A Shimano XT 1x12 speed drivetrain assures responsive and competent power transfer for the climbs while the Fox 38 Float Performance Elite fork and RockShox Super Deluxe Select+ shock make the bumps and rougher trails a piece of cake to manage. RaceFace ARC HD 30 wheels and Maxxis Double Down tires assure rock solid footing and traction when you need it on the ascent and hold tight to the corners as you descend with no regard to human safety.

A bottom bracket mounted motor keeps the center of gravity firmly in the middle of the bike to prevent slideouts caused by extra mass in the rear hub.

The Santa Cruz Bullit MX-XT-Air is a game changer for enduro and downhill riders who want to get in a few extra runs each trip to the mountain but don’t have, or want, the luxury of catching a lift to the top of the trail.

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A Reach450mm475mm495mm515mm
B Stack621mm630mm648mm670.4mm
C Head Tube Angle64°64°64°64°
D Seat Tube Length405mm430mm460mm500mm
E Front Center789.4mm818.8mm847.5mm878.5mm
F BB Height348mm348mm348mm348mm
G BB Drop6.5 mm6.5 mm6.5 mm6.5 mm
H Wheelbase1238.5mm1267.9mm1296.7mm1327.7mm
I Rear Center449mm449mm449mm449mm
J Head Tube Length100mm110mm130mm155mm
K Top Tube Length591.3mm619.2mm644.9mm672.1mm
L Seat Tube Angle77.2°77.1°77°76.8°
M Standover Height748mm747mm745mm745mm
N Eye to Eye Length230mm230mm230mm230mm
Seatpost Length150mm170-175mm170-175mm170-200mm
Stem Length40mm40mm40mm40mm
Crank Length165mm165mm165mm165mm


Weight22.09kg / 48.69lbs
ForkFOX 38 Float Performance Elite E-Tune, 170mm, 29"
ShockRockShox Super Deluxe Select+
Rear DerailleurShimano XT M8100, 12spd
ShiftersShimano XT M8100, 12spd
CranksetShimano XT M8150 Crank Arms, 165mm
CassetteShimano XT M8100, 12spd, 10-51t
ChainShimano XT, 12spd
BrakesShimano XT
Brake RotorsShimano XT, Ice Tech, Centerlock, 203mm
HeadsetCane Creek 40 IS Integrated
BarsSanta Cruz Bicycles Carbon Di2 Riser
StemBurgtec Enduro MK2
GripsSanta Cruz House Grip
Front HubDT Swiss 350, 15x110, Centerlock, 32h
Rear HubDT 350, 12x148, MicroSpline, 32h
RimsRaceFace ARC HD 30 (29” F, 27.5” R)
ChainguideE13 E-Spec+ AL
BatteryShimano 630Wh Integrated
Drive UnitShimano Drive Unit DU-EP800
DisplayShimano Display Unit SC-EM800
SpokesSapim Race
Front TireMaxxis Assegai 29"x2.5", 3C, MaxxGRIP, Double Down, TR
Rear TireMaxxis Minion DHR II 27.5"x2.4", 3C, MaxxTerra, Double Down, TR
Seat PostFox Transfer Performance Elite
SaddleWTB Silverado Team

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