Quiver

2009 Specialized Stumpjumper Marathon 29 Frameset vs 2009 Surly Karate Monkey

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Surly Karate Monkey

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
−32 mm
Shorter: quicker to change direction
Head angle
+0.5°
Steeper: sharper steering
Chainstays
−9 mm
Shorter: livelier

The two frames

We can't draw these frames yet. The Specialized Stumpjumper Marathon 29 Frameset numbers we have for size 18 are missing the reach and stack. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Stumpjumper Marathon 29 Frameset 18Surly Karate Monkey MDifference
Head tube angle71°71.5+0.5°
Seat tube angle72°73+1.0°
Chainstay length440mm431−9 mm
Wheelbase1096mm1064−32 mm
BB height304mmnot listed
Standover795mm811.1+16 mm
Seat tube length457mm457.2+0 mm
Reachnot listed427
Stacknot listed597
Effective top tubenot listed600.6
BB dropnot listed68
Fork lengthnot listed468
Head tube lengthnot listed90

Differences are the Surly Karate Monkey minus the Specialized Stumpjumper Marathon 29 Frameset. Full charts: 2009 Specialized Stumpjumper Marathon 29 Frameset, 2009 Surly Karate Monkey.

Where each sits in its class

Specialized Stumpjumper Marathon 29 FramesetSurly Karate Monkey

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.

PartSpecialized Stumpjumper Marathon 29 FramesetMarathon 29 FramesetSurly Karate MonkeyKarate Monkey - Organic Eggplant
FrameSpecialized SJ HTSurly Karate Monkey
Shifternot listedShimano Deore
Derailleurnot listedShimano Deore
Cassettenot listed12-speed, 11-51t
Chainnot listedKMC X-12
Cranksetnot listedShimano Deore MT510
Bottom bracketnot listedShimano 73mm threaded
Wheelsetnot listedNovatec hubs, WTB ST i40 TCS 2.0, 27.5"
Tirenot listedSurly Dirt Wizard
Brakenot listedSRAM BB5
Rotornot listedSRAM 180/160mm, 6-bolt
Handlebarnot listedSalsa Rustler
Stemnot listedKalloy 31.8mm
Gripsnot listedVelo Black
Headsetnot listedCane Creek
Seatpostnot listedKalloy 30.9mm
Saddlenot listedSelle Italia

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