Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 29" -
Travel Front 80mm -
Fork SunTour XCR
-
Groupset Deore, Acera -
Suspension Hardtail -
Drivetrain 3 × 9 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Specialized M4 29"" fully manipulated alloy frame, fully butted, disc only, externally relieved HT, forged dropouts w/ replaceable derailleur hanger
Suspension Fork
SR Suntour XCR 29"" (SF11-XCR-DS-26-LO-SP), magnesium lower, 30mm steel stanchions, 1-1/8"" alloy steerer, hyd. damping w/ Specialized Spike Valve and alloy LO cartridge, 80mm travel
Drivetrain
Rear Derailleur
Shimano Deore Shadow, 9-speed, SGS cage
Front Derailleur
Shimano Acera, 9-speed, 34.9mm clamp, top-swing, dual-pull
Shift Levers
Shimano Acera, 9-speed Rapidfire plus, SL type w/ optical display
Cassette
Shimano 9-speed, 11-34t
Crank
Shimano Acera, 3pc, 9-speed, Octalink spline
Bottom Bracket
Shimano, Octalink spline, cartridge bearing, 73mm
Chain
KMC X-9, 9-speed, reusable Missing Link
Pedals
Alloy 1pc. body and cage, reflector kit, 9/16""
Wheels
Front Hub
Formula disc hub, high-low flange, double-sealed loose ball, machined disc mount, QR, 32h
Rear Hub
Forged alloy, mid flange, double-sealed, ground race, machined disc mount and flanges, cassette, QR, 36h
Rims
Alex RH Disc 29"", alloy double-wall, 28mm, pin joint, 32h
Spokes
Stainless, 2.0mm (14g)
Tires
Specialized The Captain Sport, 60 TPI, wire bead, 29x2.0""
Brakes
Brakes
Avid Elixir 1 hydraulic disc brake, post mount, 180mm G2 6-bolt rotor
Brake Levers
Avid Elixir 1, hydraulic
Cockpit
Stem
3D forged 6061 alloy, 4 bolt clamp, 7º rise, 31.8mm
Handlebar
Flat bar, double butted alloy, 680mm (S) or 700mm (M, L, XL, XXL) wide,10º backsweep, 4º upsweep, 31.8mm
Grips
Specialized Body Geometry XCT Men's, dual compound, Kraton rubber, closed end, 130mm
Headset
Integrated 1-1/8"" threadless, Campy-style, full cartridge bearings
Seat
Saddle
Specialized Body Geometry Rockhopper, steel rails, 143mm width
Seatpost
Alloy, 2 bolt head, 30.9mm, 12.5mm offset, micro adjust
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 15.5" | 17.5" | 19" | 21" | 23" |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.59 mm | 1.52 mm | 1.49 mm | 1.45 mm | 1.45 mm |
| Bottom Bracket Height | 310 mm | 310 mm | 310 mm | 310 mm | 310 mm |
| Front Center | 630 mm | 657 mm | 680 mm | 704 mm | 725 mm |
| Rake | 47 mm | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 79 mm | 80 mm | 80 mm | 80 mm | 80 mm |
| Stack | 607 mm | 617 mm | 631 mm | 645 mm | 664 mm |
| Reach | 382 mm | 406 mm | 424 mm | 445 mm | 459 mm |
| Top Tube Length | 570 mm | 597 mm | 619 mm | 644 mm | 664 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 394 mm | 445 mm | 483 mm | 533 mm | 584 mm |
| Head Tube Angle | 71 ° | 71 ° | 71 ° | 71 ° | 71 ° |
| Head Tube Length | 110 mm | 120 mm | 135 mm | 150 mm | 170 mm |
| Chainstay Length | 436 mm | 436 mm | 436 mm | 436 mm | 436 mm |
| Wheelbase | 1058 mm | 1085 mm | 1108 mm | 1133 mm | 1154 mm |
| Bottom Bracket Drop | 63 mm | 63 mm | 63 mm | 63 mm | 63 mm |
| Standover Height | 748 mm | 783 mm | 815 mm | 847 mm | 884 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
About this model
Rockhopper Comp 29 belongs to the Specialized Rockhopper model. Specialized launched 119 bikes of this model so far. Take a sneak peek at all Specialized Rockhopper bikes models from 2012, by clicking here.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Average price for Crosscountry bikes
Our math shows that the average cost of a dependable Crosscountry bike is 1905$. However, you could also get a good Crosscountry bike even if you pay a lower amount than the average price. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Overview of components
Fork
This bike has the SunTour XCR fork installed. The fork’s travel is 80mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. In conclusion, always look for a fork with decent travel when you buy a bike.
Fork material
The fork on this bike is made out of aluminum, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels size
When leaving the production line, the Rockhopper Comp 29 model has 29″ aluminum wheels. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, these wheels are not ideal for smaller people.
Brakes
When you want to stop the bike in time, the brakes are vital. The Rockhopper Comp 29 has Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, your safety is in good hands.