Quiver

2023 Specialized Enduro Comp vs 2025 Giant Reign Advanced Pro 29

The Giant Reign Advanced Pro 29 size closest to your S3 is the M. Compare the M instead

What changes on the Giant Reign Advanced Pro 29

Compared with the Specialized Enduro Comp in S3, the Giant Reign Advanced Pro 29 in XL places the top of the head tube 20 mm higher and 47 mm further forward, relative to the bottom bracket. Its wheelbase is 43 mm longer, which can contribute to stability at speed.

Frame stack
+20 mm
Higher front end
Frame reach
+47 mm
Longer frame reach
Wheelbase
+43 mm
Longer: steadier at speed
Head angle
+0.7°
Steeper: sharper steering
Chainstays
−3 mm
Shorter: livelier

The two frames

2023 Specialized Enduro Comp (S3) and 2025 Giant Reign Advanced Pro 29 (XL), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Enduro Comp is drawn in full with its measurements, and the Giant Reign Advanced Pro 29 is the colored outline on top.J 1246

Specialized Enduro Comp, S3Giant Reign Advanced Pro 29, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Enduro Comp S3Giant Reign Advanced Pro 29 XLDifference
Reach464mm511+47 mm
Stack620mm640+20 mm
Head tube angle63.9°64.6+0.7°
Seat tube angle76°76.4+0.4°
Chainstay length442mm439−3 mm
Wheelbase1246mm1289+43 mm
Seat tube length420mm496+76 mm
Head tube length100120+20 mm
Standovernot listed804

Differences are the Giant Reign Advanced Pro 29 minus the Specialized Enduro Comp. Full charts: 2023 Specialized Enduro Comp, 2025 Giant Reign Advanced Pro 29.

Where each sits in its class

Specialized Enduro CompGiant Reign Advanced Pro 29

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other enduro 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.

PartSpecialized Enduro CompCompGiant Reign Advanced Pro 29Advanced Pro 29 1
FrameSpecialized EnduroGiant Reign
ForkRockShox Zeb SelectFox 38 Factory
Rear shockRockShox Super DeluxeFox Float X2 Factory
ShifterSRAM GXSRAM GX Eagle AXS Rocker
DerailleurSRAM GX EagleSRAM GX Eagle
CassetteSRAM GX EagleSRAM GX Eagle
ChainSRAM NX EagleSRAM GX Eagle
CranksetSRAM X1TruVativ Descendent
ChainringSRAM X1 6K Eaglenot listed
Bottom bracketSRAM DUBSRAM DUB GX
WheelsetSpecialized hookless alloyGiant TRX 2
TireSpecialized ButcherMaxxis Assegai, Maxxis Minion DHR II DD
BrakeSRAM Code RSShimano SLX M7120
RotorSRAM Code RSShimano RT-66
HandlebarSpecialized 6061 alloyGiant Contact SLR
StemSpecialized Alloy TrailGiant Contact SL
SeatpostX-Fusion Manicnot listed
SaddleSpecialized BridgeGiant Romero SL
Gripsnot listedGiant Tactal Pro Single
Dropper postnot listedTranzX dropper internal routing

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