Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 29" -
Travel Front 80mm -
Fork RockShox Reba
-
Groupset X9, X7 -
Suspension Hardtail -
Drivetrain 3 × 10 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
M5 manipulated alloy frame, 29"" geometry, curved TT
Suspension Fork
RockShox Reba RLT 29, tapered alloy steerer, compression and rebound adj. LO w/external floodgate adj. standard drop-outs, 15.5: 80mm travel, others: 90mm travel
Drivetrain
Rear Derailleur
SRAM X.9, 10-speed, long cage
Front Derailleur
SRAM X.7, 10-speed, 34.9 clamp mount, top pull
Shift Levers
SRAM X.7, 10-speed, aluminum trigger
Cassette
Shimano HG81, 10-speed, 11-36t
Crank
Custom SRAM S-1250, 7050 alloy arms, 10-speed triple, GXP spindle, 15.5: 170mm, others: 175mm
Bottom Bracket
SRAM GXP, outboard bearing
Chain
KMC X10, 10-speed, w/ reuseable Missing Link, nickel plates
Pedals
Resin Test Ride Pedals with toe clips, CEN std.
Wheels
Front Hub
Specialized Hi Lo disc, laser-etched logo, OS 28 end caps, sealed cartridge bearing, RWS, 32h
Rear Hub
Specialized Hi Lo disc, laser-etched logo, double sealed cartridge bearing, QR, 32h
Rims
Custom DT Swiss X450SL, alloy 29"", 24mm w/ eyelets, 32h
Spokes
DT Swiss Champion 1.8mm (15g) stainless
Tires
S-Works Renegade, 120 TPI, 2Bliss ready aramid bead, dual compound, 29x1.95""
Brakes
Brakes
Custom Avid Elixir R SL, hydraulic disc, tool-less reach adjust, alloy backed semi-metallic pads, stainless hardware, G3 Clean Sweep rotor, 160mm rotor
Brake Levers
Custom Avid Elixir R SL hydraulic, tool-less reach adj.
Cockpit
Stem
Specialized XC, 3D forged alloy, 4-bolt, 31.8mm clamp, adjustable rise
Handlebar
Specialized XC flat bar, 6061 butted alloy, 680mm wide, 8 degree back sweep, 31.8mm
Grips
Specialized lock-on, 15.5/17.5: Grappler, Other: Rocca
Headset
1-1/8"" upper and lower campy style cartridge bearings for integrated alloy HT
Seat
Saddle
Specialized BG Phenom Comp, hollow Cr-Mo rails, 143mm width
Seatpost
2014 butted alloy, single bolt setback, 30.9mm, 15.5/17.5"": 350mm, others: 400mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 15.5" | 17.5" | 19" | 21" | 23" |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.51 mm | 1.55 mm | 1.49 mm | 1.44 mm | 1.43 mm |
| Bottom Bracket Height | 304 mm | 304 mm | 304 mm | 304 mm | 304 mm |
| Stack | 596 mm | 617 mm | 626 mm | 636 mm | 655 mm |
| Reach | 394 mm | 398 mm | 420 mm | 443 mm | 457 mm |
| Top Tube Length | 563 mm | 583 mm | 608 mm | 633 mm | 653 mm |
| Seat Tube Angle | 74.5 ° | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 393 mm | 445 mm | 483 mm | 533 mm | 584 mm |
| Head Tube Angle | 71.5 ° | 71.5 ° | 71.5 ° | 71.5 ° | 71.5 ° |
| Head Tube Length | 100 mm | 110 mm | 120 mm | 130 mm | 150 mm |
| Chainstay Length | 429 mm | 429 mm | 429 mm | 429 mm | 429 mm |
| Wheelbase | 1062 mm | 1065 mm | 1090 mm | 1115 mm | 1136 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 719 mm | 794 mm | 825 mm | 857 mm | 895 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
About this model
Stumpjumper Comp 29er is part of the Specialized Stumpjumper model. 352 bikes variations carry this model name so far. You can easily view all of the Specialized Stumpjumper bikes models from 2011, here.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Crosscountry bikes average price
If you want to purchase a solid Crosscountry bike, it is important to know that the average cost is 1905$. However, this doesn’t mean that if you spend less money on a Crosscountry bike, you couldn’t get a decent one. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Stumpjumper Comp 29er components
Fork
The RockShox Reba is included from the factory. It has a travel distance of 80mm. Bike forks are great for shock absorption and provide you with a smooth ride. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Fork material
When it comes to the fork, this bike has an aluminum one, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels size
The wheels on Stumpjumper Comp 29er are the 29″ aluminum type. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
When you want to stop the bike in time, the brakes are vital. The Stumpjumper Comp 29er has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.