Specialized Rockhopper 29

Name: Specialized Rockhopper 29
Brand: Specialized

2023 MountainCross-country Manufacturer page

Specialized Rockhopper 29, color Gloss White Sage / Rusted Red

Fork travel: 100 mm
Wheels: 29″
Drivetrain: 2 × 8 11–34t
Gear range: 309%
Weight: 14.31 kg 31.5 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Mechanical disc

Sizes

Size guide

The manufacturer did not publish rider heights for these sizes.

Components

11 of 21 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Specialized A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible Not identified

Suspension

1 part

Fork
- SR Suntour

Drivetrain

7 parts

Bottom bracket

Square-tapered, 73mm, internal bearings, 122.5mm spindle Not identified
Cassette
- SunRace 11–34t
Chain
- KMC X8 EPT 8 speeds
Crankset

Stout 2x, forged alloy Not identified
Front derailleur
- Shimano Altus FD-M315 2 speeds
FD-M315
Rear derailleur
- Shimano Tourney TX RD-TX800 8 speeds
RD-TX800
Shifters
- microSHIFT

Brakes

1 part

Brakes

Front: Radius CX7, mechanical disc, 160mm, Rear: Radius CX7, mechanical disc, 160mm Not identified

Wheels and tires

5 parts

Front hub
- Formula
Rear hub
- Formula
SP-2125
Rims
- Specialized
Spokes

Stainless, 14g Not identified
Tires

Front: Fast Trak Sport, 29x2.35", Rear: Fast Trak Sport, 29x2.35" Not identified

Cockpit and contact points

6 parts

Grips
- Specialized
Handlebar

Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm Not identified
Pedals
- Specialized
Saddle

Bridge Sport, Steel rails, 155/143mm Not identified
Seatpost

Alloy, 2-bolt clamp, 30.9mm Not identified
Stem

3D-forged alloy, 31.8mm, 7-degree rise Not identified

Sizes and geometry

5 sizes Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size LG

Table

Reach 445mm

Stack 626mm

Wheelbase 1152mm

Head angle 68.5°

Seat angle 73.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reach Stack

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	405	425	445	465	485
Stackmm	607	616	626	640	654
Top tube lengthmm	586	608	630	654	679
Seat tube lengthmm	360	400	450	500	560
Head tube lengthmm	95	95	105	120	135
Head tube angle	68.5°	68.5°	68.5°	68.5°	68.5°
Seat tube angle	73.5°	73.5°	73.5°	73.5°	73.5°
Chainstay lengthmm	440	440	440	440	440
Wheelbasemm	1105	1128	1152	1178	1203
Front centermm	672	696	719	745	770
Bottom bracket dropmm	62	62	62	62	62
Bottom bracket heightmm	310	310	310	310	310
Standover heightmm	732	754	781	820	853
Fork rakemm	46	46	46	46	46
Trailmm	97	97	97	97	97
Stack/reach ratio	1.50	1.45	1.41	1.38	1.35
Suspension and parts
Crank lengthmm	170	170	175	175	175
Handlebar widthmm	720	740	740	740	740
Stem lengthmm	40	60	60	70	70
Seatpost lengthmm	350	400	400	400	400

Not published by the manufacturer: Front travel, Rear travel, Stem angle and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Bicycle weight: 14.31 kg

31.5 lb

Suspension

Suspension configuration: Hardtail
Front travel: 100 mm

Drivetrain

Derived by Bikelake

Front chainrings: 2
Rear sprockets: 8
Smallest sprocket: 11
Largest sprocket: 34

Wheels and brakes

Wheel configuration: Same size
Brake type: Mechanical disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Fork spring: Coil
Tire width: 2.35″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

2 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

100 mm

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2023
Sample: 1,907 bicycles with this information
Coverage: 95.2% of the class

Shifting

Mechanical

223 of 2,002 bicycles with this information use electronic shifting.

Cohort: Mountain / Cross-country Model year: 2023
Sample: 2,002 bicycles with this information
Coverage: 100.0% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2023 builds
Specification	This bicycle Specialized Rockhopper 29	Specialized Rockhopper	Specialized Rockhopper 26	Specialized Rockhopper 27.5	Specialized Rockhopper Comp 27.5	Specialized Rockhopper Comp 29
Frame
Bicycle weight	14.31 kg	Not informed	Not informed	Not informed	Not informed	13.92 kg
Suspension
Front travel	100 mm	100 mm	80 mm	100 mm	100 mm	100 mm
Drivetrain
Front chainrings	2	2	2	2	1	1
Rear sprockets	8	8	8	8	9	10
Largest sprocket	34	34	34	34	42	46
Brakes
Brake type	Mechanical disc	Mechanical disc	Mechanical disc	Mechanical disc	Hydraulic disc	Hydraulic disc
Other specifications
Tire width	2.35″	2.3″	2.35″	2.35″	2.3″	2.35″
Wheel size	29″	29″	26″	27.5″	27.5″	29″