Quiver

2025 Santa Cruz Heckler SL vs 2027 Trek Fuel+ MX 9.9 Gen 2

The Trek Fuel+ MX 9.9 Gen 2 size closest to your L is the L. Compare the L instead

What changes on the Trek Fuel+ MX 9.9 Gen 2

Compared with the Santa Cruz Heckler SL in L, the Trek Fuel+ MX 9.9 Gen 2 in XXL places the top of the head tube 33 mm higher and 50 mm further forward, relative to the bottom bracket.

Frame stack
+33 mm
Higher front end
Frame reach
+50 mm
Longer frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
+0.2°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

2025 Santa Cruz Heckler SL (L) and 2027 Trek Fuel+ MX 9.9 Gen 2 (XXL), lined up at the bottom bracketBoth frames drawn to scale. The Santa Cruz Heckler SL is drawn in full with its measurements, and the Trek Fuel+ MX 9.9 Gen 2 is the colored outline on top.J 1263

Santa Cruz Heckler SL, LTrek Fuel+ MX 9.9 Gen 2, XXLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSanta Cruz Heckler SL LTrek Fuel+ MX 9.9 Gen 2 XXLDifference
Reach477.5527+50 mm
Stack634.9668+33 mm
Head tube angle6464.2°+0.2°
Seat tube angle77.276.1°−1.1°
Chainstay length443.8449+5 mm
Wheelbase1262.7/1263.41332
BB height341343+2 mm
Standover733.4/729.3769
Seat tube length430475+45 mm
Head tube length120155+35 mm
Effective top tubenot listed682
BB dropnot listed31

Differences are the Trek Fuel+ MX 9.9 Gen 2 minus the Santa Cruz Heckler SL. Full charts: 2025 Santa Cruz Heckler SL, 2027 Trek Fuel+ MX 9.9 Gen 2.

Where each sits in its class

Santa Cruz Heckler SLTrek Fuel+ MX 9.9 Gen 2

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartSanta Cruz Heckler SLGX AXSTrek Fuel+ MX 9.9 Gen 29.9 X0 AXS Gen 2
FrameSanta Cruz Heckler SLTrek OCLV
ForkFox 36 Performance Elite Grip X2RockShox ZEB B1 Ultimate
Rear shockFox FLOAT X Performance EliteRockShox Vivid D1 Ultimate
ShifterSRAM Pod ControllerSRAM Pod Controller
DerailleurSRAM GX Eagle AXSSRAM X0 Eagle AXS
CassetteSRAM GX Eagle TransmissionSRAM X0 Eagle Transmission
ChainSRAM GX Eagle TransmissionSRAM X0 Eagle
CranksetRace Face Aeffect RSRAM XX
MotorFazua Ride 60TQ HPR60-DRV01
BatteryFazua 430TQ HPR 580Wh V01
WheelsetReserve 30|SLBontrager Line Pro 30
TireSchwalbe AlbertMaxxis Assegai
BrakeSRAM Maven Bronze StealthSRAM Maven
RotorSRAM HS2SRAM HS2
HandlebarSanta Cruz e35Race Face ERA
StemBurgtec Enduro MK3Race Face Turbine
GripsSanta Cruz HouseTrek Line Elite
HeadsetCane Creek 50not listed
Dropper postOneUp Components dropper postnot listed
SaddleSDG Bel-AirTrek Aeolus
Chainringnot listedSRAM Transmission
Seatpostnot listedFox Transfer Neo

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