Bicycle Archive · Specification report

2018 Specialized Stumpjumper Comp Alloy 29

Velopedia Archive ID 900003890

Overview

Model year	2018
Brand	Specialized
Model	Stumpjumper Comp Alloy 29
Bicycle type	Mountain
Archive ID	900003890
Original MSRP	$3,020.00
Colors	Gloss Satin/Acid Mint/Black; Satin/Black/Flo Red
Sizes	S; M; L; XL

Frameset

Frame construction	M5 alloy chassis and rear end, asymmetrical design, 29 Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 140mm of travel
Frame material	Aluminum
Fork	FOX FLOAT Rhythm 34, GRIP Damper, 51mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel
Fork material	Aluminum
Rear shock	FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, 210x50mm

Drivetrain

Shifters	Shimano SLX, 11-speed
Rear derailleur	Shimano XT, Shadow Plus, GS cage, 11-speed
Crankset	RaceFace Aeffect, 24mm spindle, 170mm crankarm; chainrings: Steel, 30T
Bottom bracket	Race Face PF30
Cassette	Shimano SLX, 11-speed, 11-46t
Chain	KMC X11, 11-speed w/ Missing Link™
Pedals	Specialized Body Geometry Fitness, platform, plastic

Brakes

Brakes	(F) Shimano SLX, hydraulic disc, resin pads, 200mm / (R) Shimano SLX, hydraulic disc, resin pads, 180mm

Cockpit & contact points

Handlebar	Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 31.8mm clamp, S 720mm, M-XL 750mm
Stem	Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise
Saddle	Body Geometry Phenom Comp, Adaptive Edge design, hollow Cr-Mo rails, 143mm
Seatpost	X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, S: 125mm, M/L/XL: 150mm of travel

Wheels & tires

Hubs	(F) Specialized, sealed cartridge bearings, 15x110mm spacing, 28h / (R) Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h
Rims	Roval Traverse 29, hookless alloy, 29mm inner width, tubeless ready
Spokes	DT Swiss Industry, stainless, 3-cross, 2.0"
Front tire	Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.6"
Rear tire	Purgatory, GRID casing, GRIPTON® compound, 2Bliss ready, 29 x2.6"

Geometry · S

Seat tube	380 mm
Effective top tube	573 mm
Head tube	100 mm
Head-tube angle	66.5°
Seat-tube angle	74.8°
Chainstay / rear center	437 mm
Wheelbase	1151 mm
Bottom-bracket drop	33 mm
Bottom-bracket height	341 mm
Reach	405 mm
Stack	619 mm
Standover height	756 mm
Fork offset / rake	51 mm
Front center	716 mm
Trail	107 mm
Fork length / axle-to-crown	560 mm
Stem length	45 mm
Handlebar width	780 mm

Geometry · M

Seat tube	410 mm
Effective top tube	597 mm
Head tube	100 mm
Head-tube angle	66.5°
Seat-tube angle	74.5°
Chainstay / rear center	437 mm
Wheelbase	1171 mm
Bottom-bracket drop	33 mm
Bottom-bracket height	341 mm
Reach	425 mm
Stack	619 mm
Standover height	762 mm
Fork offset / rake	51 mm
Front center	736 mm
Trail	107 mm
Fork length / axle-to-crown	560 mm
Stem length	45 mm
Handlebar width	780 mm

Geometry · L

Seat tube	455 mm
Effective top tube	628 mm
Head tube	125 mm
Head-tube angle	66.5°
Seat-tube angle	74.1°
Chainstay / rear center	437 mm
Wheelbase	1201 mm
Bottom-bracket drop	33 mm
Bottom-bracket height	341 mm
Reach	445 mm
Stack	642 mm
Standover height	775 mm
Fork offset / rake	51 mm
Front center	766 mm
Trail	107 mm
Fork length / axle-to-crown	560 mm
Stem length	45 mm
Handlebar width	780 mm

Geometry · XL

Seat tube	505 mm
Effective top tube	662 mm
Head tube	140 mm
Head-tube angle	66.5°
Seat-tube angle	73.7°
Chainstay / rear center	437 mm
Wheelbase	1232 mm
Bottom-bracket drop	33 mm
Bottom-bracket height	341 mm
Reach	470 mm
Stack	656 mm
Standover height	776 mm
Fork offset / rake	51 mm
Front center	797 mm
Trail	107 mm
Fork length / axle-to-crown	560 mm
Stem length	45 mm
Handlebar width	780 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 25, 2026.