Rockhopper Expert 29

The Rockhopper is a trail-ready machine equipped with Tektro Gemini hydraulic disc brakes, 29-inch wheels, and custom 2X10 drivetrain, allowing you to ride deep into your favorite trails with confidence.

Tektro Gemini hydraulic disc brakes for consistent, all-weather stopping power
Stout XC 29” aluminum with 20mm inner width rims are trail ready
Specialized Ground Control 2.1" tires w/ a fast-rolling yet grippy tread
Custom 2x10 crankset and drivetrain for efficient and precise shifting
SRAM X5, 10-speed rear derailleur for lightweight and precise shifting
100mm-travel custom SR Suntour XCR-AIR fork w/ exclusive Multi-Circuit Damping for smooth performance
New A1 Premium Aluminum fully butted frame w/ Trail Geometry for compliance and durability

Manual Downloads

Specialized Bicycle Owner's Manual (All Languages)

Specialized Bicycle Owner's Manual Addendum: Riding With Kids

2015 Rider/Bike Weight Limits and Terrain Conditions

Torque - 2015 Frame and Components Torque Matrix Instruction Guide

Technical Specifications

DRIVETRAIN

CHAIN	KMC X10, 10-speed, w/ reusable MissingLink
BOTTOM BRACKET	24mm BSA for 2 pc. design, 73mm
CRANKSET	Specialized Stout XC, 2x10, 2 pc., 24mm spindle, 36/22, anti-corrosion hardware
FRONT DERAILLEUR	SRAM X5, 2x10, high mount
SHIFT LEVERS	SRAM X5, 2x10, trigger
CASSETTE	Sunrace, 10-speed, 11-36
REAR DERAILLEUR	SRAM X5, 10-speed, long cage

SUSPENSION

FORK	Custom SR Suntour XCR-AIR 29, air spring, mag lowers, Hi-Ten 32mm stanchions, tapered alloy steerer, integrated remote hydraulic lockout w/ rebound, preload adjust, disc mount, size-specific 80/100mm travel

WHEELS

FRONT HUB	Specialized Stout XC disc, alloy, RCC bearing system, QR, 28h
REAR HUB	Specialized Stout XC disc, alloy, RCC bearing system, QR, 32h
INNER TUBES	Standard, presta valve
SPOKES	Stainless, 14g, black
RIMS	Stout XC, 29"" disc, alloy double-wall, pin joint, 26mm inner width, 28/32h
FRONT TIRE	Specialized Ground Control Sport, 60TPI, wire bead, 29x2.1""
REAR TIRE	Specialized Ground Control Sport, 60TPI, wire bead, 29x2.1""

COCKPIT

SADDLE	Body Geometry mountain, steel rails, 143mm
SEATPOST	Alloy, 2-bolt, micro-adjust, 12.5mm offset, 30.9mm, anti-corrosion hardware
STEM	Specialized 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware
HANDLEBARS	Specialized Stout XC, flat bar, double butted 6061 alloy, 9-degree backsweep, 4-degree upsweep, 31.8mm
GRIPS	Specialized Body Geometry XC Contour, Kraton w/ gel, lock-on, closed end

BRAKES

FRONT BRAKE	Tektro Gemini, hydraulic disc, resin pads, I-spec compatible
BRAKE LEVERS	Tektro Gemini, hydraulic, reach adjust, I-spec compatible
REAR BRAKE	Tektro Gemini, hydraulic disc, resin pads, I-spec compatible

ACCESSORIES

PEDALS

Alloy, 1 pc. body, 9/16"", w/ reflectors

FRAMESET

HEADSET	1-1/8"" upper, 1-1/2"" lower, Campy style, integrated sealed cartridge bearings
SEAT BINDER	Alloy, nylon/glass fiber washer, QR, 34.9mm
FRAME	Specialized A1 SL Aluminum, 29er geometry, fully butted tubesets, ORE downtube, tapered headtube, forged dropouts w/ disc mount, replaceable derailleur hanger

* Specifications are subject to change without notice

Geometry

Rockhopper - Geometry

S M L XL XXL

	S	M	L	XL	XXL
Crank Length	170mm	175mm	175mm	175mm	175mm
Stem Length	60mm	70mm	70mm	80mm	90mm
Handle-Bar Width	720mm	720mm	720mm	720mm	720mm
Reach	400mm	412mm	430mm	450mm	464mm
Stack	615mm	624mm	639mm	653mm	672mm
Wheelbase	1076mm	1091mm	1114mm	1139mm	1159mm
Seat-Tube Length, B-B Center to Top	395mm	445mm	460mm	510mm	560mm
Bike Stand-Over Height	757mm	808mm	824mm	856mm	888mm
Head-Tube Length	110mm	100mm	115mm	130mm	150mm
Top-Tube Length, Horizontal	588mm	615mm	637mm	662mm	682mm
Front-Center	642mm	657mm	680mm	704mm	725mm
Head-Tube Angle	71°	71°	71°	71°	71°
Seat-Tube Angle (Effective)	73°	72°	72°	72°	72°
Trail	79mm	79mm	79mm	79mm	79mm
Chain-Stay Length	442mm	442mm	442mm	442mm	442mm
B-B Height	308.5mm	308.5mm	308.5mm	308.5mm	308.5mm
Seat-Tube Angle (Actual)	74.25°	73°	73°	73°	73°
B-B Drop	63.5mm	63.5mm	63.5mm	63.5mm	63.5mm
Seat-Post Length	350mm	350mm	400mm	400mm	400mm