Quiver

2023 Santa Cruz Stigmata vs 2021 Trek Checkpoint ALR

The Trek Checkpoint ALR size closest to your 56 is the 56. Compare the 56 instead

What changes on the Trek Checkpoint ALR

Compared with the Santa Cruz Stigmata in 56, the Trek Checkpoint ALR in 58 places the top of the head tube 13 mm higher and 3 mm further forward, relative to the bottom bracket. Its wheelbase is 7 mm longer, which can contribute to stability at speed.

Frame stack
+13 mm
Higher front end
Frame reach
+3 mm
Longer frame reach
Wheelbase
+7 mm
Longer: steadier at speed
Head angle
+0.3°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2023 Santa Cruz Stigmata (56)The Santa Cruz Stigmata frame drawn to scale.J 1025

Only the Santa Cruz Stigmata is drawn. The Trek Checkpoint ALR numbers we have for size 58 are missing the seat angle.

Geometry side by side

MeasurementSanta Cruz Stigmata 56Trek Checkpoint ALR 58Difference
Reach388391+3 mm
Stack596609+13 mm
Head tube angle7272.3°+0.3°
Seat tube angle73.5not listed
Effective top tube565577+12 mm
Chainstay length425425±0 mm
Wheelbase10251032+7 mm
BB drop7274+2 mm
Standover797829+32 mm
Seat tube length545580+35 mm
Head tube length170171+1 mm

Differences are the Trek Checkpoint ALR minus the Santa Cruz Stigmata. Full charts: 2023 Santa Cruz Stigmata, 2021 Trek Checkpoint ALR.

Where each sits in its class

Santa Cruz StigmataTrek Checkpoint ALR

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other gravel 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 StigmataGRXTrek Checkpoint ALRALR 4
FrameSanta Cruz StigmataTrek Alpha
ForkSanta Cruz Carbon ForkTrek Checkpoint
ShifterShimano GRX RX810Shimano GRX RX400
DerailleurShimano GRX Di2Shimano GRX RX400
CassetteShimano Ultegra HG800Shimano Tiagra HG-500
ChainShimano SLX M7000KMC X10
CranksetShimano GRX FC-RX600Shimano GRX RX600
ChainringShimano GRXnot listed
Bottom bracketShimano Ultegra BBShimano RS500
WheelsetI9 1/1Bontrager TLR Disc Aluminum
TireMaxxis RamblerBontrager GR1 Comp
HandlebarEaston EA70 AX RoadBontrager Elite IsoZone VR-CF
StemEaston EA90Niner Alloy
GripsVelo Bar Tapenot listed
HeadsetCane Creek 40not listed
SeatpostEaston EC70Bontrager Approved
SaddleWTB SilveradoBontrager P3 Verse
Brakenot listedShimano GRX

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet