Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 130mm -
Travel Rear 130mm -
Fork RockShox Reba
-
Groupset X9, SLX -
Suspension Full -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
M5 manipulated alloy w/ ORE TT/DT, 29"" geometry, tapered HT, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm travel
Suspension Fork
RockShox Reba RLT 29 for Specialized, air spring, alloy tapered steerer, 45mm offset, compression and rebound adj. LO w/external floodgate adj. 20mm Maxle SL, 130mm of travel
Rear Shock
Custom Fox Triad II, custom on-the-fly 3-position switch 1) lock out 2) Open 3) ProPedal pedal assisting damping, rebound adj. 7.75x1.8""
Drivetrain
Rear Derailleur
SRAM X.9, 10-speed, mid cage
Front Derailleur
Shimano FD-M660-E SLX, double specific E-type for DMD, top swing, bottom pull
Shift Levers
SRAM X.7, 10-speed, aluminum trigger
Cassette
Shimano HG81, 10-speed, 11-36t
Crank
Custom SRAM S-1250, 10-speed XC Trail double, GXP spindle, XC guard, 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, sealed cartridge bearing, 20mm thru-axle, 32h
Rear Hub
Specialized Hi Lo disc, laser-etched logo, double sealed cartridge bearing, QR, 36h
Rims
Custom DT Swiss 520SL, 29"" alloy disc, 26mm wide, sleeved w/eyelets, 32/36h
Spokes
DT Swiss Champion 1.8mm (15g) stainless
Tires
S-Works Purgatory, 120 TPI, 2Bliss ready aramid bead, dual compound, 29x2.2""
Brakes
Brakes
Custom Avid Elixir R SL, hydraulic disc, tool-less reach adjust, alloy backed semi-metallic pads, stainless hardware, G3 Clean Sweep rotor, M: 185mm, L/XL/XXL: 203mm 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, 2014 butted alloy, 680mm wide, 8 degree backsweep, 31.8mm
Grips
Specialized lock-on, S/M: Grappler, Other: Rocca
Headset
1-1/8 and 1.5"" Threadless, Campy style upper with 1.5"" lower, cartridge bearings
Seat
Saddle
Specialized BG Henge Comp, hollow Cr-Mo rails, 143mm width
Seatpost
2014 butted alloy, single bolt setback, 30.9mm, M: 350mm, others: 400mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | MD | LG | XL | XXL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.39 mm | 1.36 mm | 1.33 mm | 1.3 mm |
| Bottom Bracket Height | 338 mm | 338 mm | 338 mm | 338 mm |
| Stack | 585 mm | 603 mm | 622 mm | 631 mm |
| Reach | 420 mm | 445 mm | 467 mm | 487 mm |
| Top Tube Length | 581 mm | 611 mm | 639 mm | 659 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
| Seat Tube Length | 445 mm | 483 mm | 533 mm | 584 mm |
| Head Tube Angle | 69.5 ° | 69.5 ° | 69.5 ° | 69.5 ° |
| Head Tube Length | 110 mm | 130 mm | 150 mm | 160 mm |
| Chainstay Length | 443 mm | 443 mm | 443 mm | 443 mm |
| Wheelbase | 1118 mm | 1150 mm | 1179 mm | 1199 mm |
| Bottom Bracket Drop | 36 mm | 36 mm | 36 mm | 36 mm |
| Standover Height | 740 mm | 756 mm | 763 mm | 757 mm |
| Wheels | 29" | 29" | 29" | 29" |
About this model
Stumpjumper FSR Comp 29er is a 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
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.
Trail bikes average price
Our math shows that the average cost of a dependable Trail bike is 2762$. However, this doesn’t mean that if you spend less money on a Trail bike, you couldn’t get a decent one. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Overview of components
Fork
The fork installed on this bike is the RockShox Reba model. The travel on this model is 130mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In short, you should always ensure you have a good fork when purchasing a bike.
Fork material
The fork on this bike is made out of aluminum, which doesn’t add too much extra weight to the bike. However, it is not so stiff as steel or carbon forks are.
Rear Shock
As for the rear shock, this bike has the Custom Fox Triad II model, with a travel of 130mm. Rear shocks give you increased comfort, control, and traction, which is important when cornering or braking. This allows you to ride faster on bumpy roads. To sum up, always consider getting a bike that has a rear shock as well.
Wheels
The Stumpjumper FSR Comp 29er 2011 bike is equipped with 29″ aluminum wheels when leaving the factory. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.
Brakes
When you want to stop the bike in time, the brakes are vital. The Stumpjumper FSR Comp 29er has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.