Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Wheels 29"
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Fork Fox
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Groupset X0, XT
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Suspension Hardtail
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Drivetrain 3 × 9
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
SJ HT 29er, M5 Manipulated Alloy frame, butted ORE DT/TT, shared tube Mono-stay seatstays, forged adjustable dropouts for multi speed or SS, disc only
Suspension Fork
Fox F80RL 29er air spring, compression and rebound adj. w/ LO, alloy steerer w/o brake boss
Drivetrain
Rear Derailleur
SRAM X-0, 9-speed, mid cage
Front Derailleur
Shimano M770 XT, 34.9mm, clamp top swing, dual pull
Shift Levers
SRAM X-0, carbon/aluminum trigger, 9-speed
Cassette
Shimano M770 XT, 9-speed, 11-34t
Crank
Shimano FC-M770 XT, 2pc. 15.5"": 170mm, others: 175mm
Bottom Bracket
Shimano M-770 XT
Chain
SRAM PC-971, 9-speed w/Power Link
Pedals
None
Wheels
Front Hub
Specialized Hi Lo disc, CNC flange, sealed cartridge bearing, 9mm DT RWS, alloy QR, 28h
Rear Hub
Custom DT Swiss 280S w/ Star Rachet, alloy freehub w/ DT RWS, 10mm alloy QR, 32h
Rims
Custom DT Swiss X470, 29"", 24mm wide, sleeved w/eyelets, 32h
Spokes
DT Super Comp 2.0/1.7/1.8mm butted stainless, black, alloy nipples
Tires
S-Works Fast Trak LK, 29x2.0"", 120 TPI, tubeless ready aramid bead, dual compound
Brakes
Brakes
Custom Avid Ultimate SL, alloy backed organic pads, alloy caliper, magnesium lever body w/ carbon blade, SS hardware package, 160mm rotor
Brake Levers
Custom Avid Ultimate SL Hydraulic
Cockpit
Stem
Specialized adjustable rise, 31.8mm clamp, 3D forged w/ CNC finish
Handlebar
Specialized XC flat 31.8mm, 2014 butted alloy, 6 degree backsweep, 600mm wide
Grips
Specialized thin lock on grip (15.5/17"") Specialized Thick lock on grip (all others)
Headset
1-1/8"" Threadless, 10mm insertion alloy cups, sealed cartridge bearing
Seat
Saddle
Specialized Phenom SL, Ti rails, thin foam, 130mm (15.5/17"") 143mm (all others)
Seatpost
Thomson Elite Setback w/ 12 degree clamp, 15.5/17/18"": 367mm, others: 410mm
Fit data
Numbers for sizing and ride feel.
| Size | 15.5" | 17" | 18" | 19" | 21" | 23" |
|---|---|---|---|---|---|---|
| Bottom Bracket Height | 304 mm | 304 mm | 304 mm | 304 mm | 304 mm | 304 mm |
| Top Tube Length | 559 mm | 584 mm | 599 mm | 614 mm | 639 mm | 659 mm |
| Seat Tube Angle | 73.5 ° | 74 ° | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 394 mm | 432 mm | 457 mm | 483 mm | 533 mm | 584 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71 ° | 71 ° | 71 ° | 71 ° |
| Head Tube Length | 90 mm | 90 mm | 100 mm | 100 mm | 110 mm | 130 mm |
| Chainstay Length | 434 mm | 434 mm | 434 mm | 434 mm | 434 mm | 434 mm |
| Wheelbase | 1061 mm | 1075 mm | 1090 mm | 1107 mm | 1133 mm | 1153 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 711 mm | 774 mm | 789 mm | 812 mm | 849 mm | 876 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" | 29" |
Model Overview
Stumpjumper Marathon 29 is a Specialized Stumpjumper model. 352 bikes variations carry this model name so far. Take a sneak peek at all Specialized Stumpjumper bikes models from 2009, 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.
Trail bikes average price
Our math shows that the average cost of a dependable Trail bike is 2762$. However, even if your budget is less than the average, you might still be able to get a top-quality Trail bike. 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 Marathon 29 components
Fork
This bike has the Fox fork installed. The fork’s travel is mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum it all, when buying a bike, ensure that you look for a fork capable of 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
When it comes to wheels, the Stumpjumper Marathon 29 bike is equipped with the 29″ aluminum model. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, these wheels are not ideal for smaller people.
Brakes
For your safety, it is important to have quality breaks on your bike. Specialized Stumpjumper Marathon 29 has Hydraulic Disc brakes installed. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, these are ideal for anyone.
