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Not all trail bikes are made the same. When it comes to getting gnarly on the singletrack, some bikes will come out on top over others. The Specialized Stumpjumper Alloy Bike is ready to rock and roll on any trail around. It has an alloy chassis and rear-end. The frame uses 140mm of travel on the front and 130mm on the rear. The frame also features a threaded bottom bracket, internal cable routing, Boost spacing, and a horst pivot BB adjustment.
This version of the Specialized Stumpjumper Alloy comes with a SRAM SX Eagle 12-speed drivetrain. This includes a cassette that has a hill-crushing 11-50T gear range that makes climbing and pedaling through rough terrain a breeze. Tektro Gemini Comp hydraulic disc brakes provide reliable stopping power so you can descend under control. Double-wall alloy rims are paired with Butcher and Purgatory tires that can be set up tubeless for a smoother ride, better traction, and fewer flats. With the TranzX Dropper Post, you'll be able to quickly lift and lower your saddle with the press of a lever.
| Frame | Alloy Chassis and Rear-End, Asymmetrical Design |
|---|---|
| Fork | RockShox 35 Silver, Solo Air, 44mm Offset, Rebound, TurnKey Lockout, Boost, 140mm Travel |
| Rear Shock | X-Fusion 02 Pro RL, Rx Trail Tune, Rebound Adj, S1:190x42.5, S2-6:190x45m |
| Headset | - |
| Shifters | SRAM SX Eagle, 12-Speed |
| Front Derailleur | - |
| Rear Derailleur | SRAM SX Eagle, 12-Speed |
| Crankset | SRAM SX Eagle, 30T |
| Bottom Bracket | SRAM Powerspline |
| Chain | SRAM SX Eagle, 12-Speed |
| Cassette | SRAM PG-1210 Eagle, 11-50T |
| Brakes | Tektro Gemini Comp, Hydraulic Disc, 200/180mm Rotors |
| Wheelset | Double-Wall Alloy, 27mm Internal, 28H, Alloy Sealed Boost Hubs |
| Tires | Butcher GRID Casing, GRIPTON T7 29x2.3", Purgatory Grid Casing, GRIPTON T7 29x2.3" |
| Handlebar | Specialized 6061 Alloy, 6° Upsweep, 8° Backsweep, 30mm Rise, 780mm Wide |
| Stem | Alloy Trail Stem, 35mm Bore |
| Grips/Bar Tape | Specialized Trail Grips |
| Seatpost | TranzX Dropper, 34.9mm, S1:100, S2:125, S3:150, S4/5:170, S6:200mm |
| Seatclamp | Single-Bolt |
| Saddle | Body Geometry Bridge Saddle, Steel Rails |
| Intended Use | Trail, All-Mountain |
Note: Components are subject to change without notice.
| Size | XS/S1 | S/S2 | M/S3 | L/S4 | XL/S5 | XXL/S6 |
|---|---|---|---|---|---|---|
| A: Seat Tube Length | 385 | 385 | 405 | 425 | 445 | 465 |
| B: Effective Top Tube | 545 | 563 | 586 | 615 | 643 | 676 |
| C: Stack | 614 | 609 | 618 | 627 | 640 | 644 |
| D: Reach | 416 | 435 | 455 | 480 | 505 | 535 |
| E: BB Height | 334 | 339 | 339 | 339 | 339 | 339 |
| F: BB Drop | 40 | 35 | 35 | 35 | 35 | 35 |
| G: Head Tube Length | 100 | 100 | 110 | 120 | 130 | 140 |
| H: Head Tube Angle | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° |
| I: Seat Tube Angle | 78.2 ° | 78.2 ° | 77.9 ° | 77.7 ° | 77.5 ° | 77.3 ° |
| J: Standover Height | 742 | 742 | 750 | 753 | 777 | 784 |
| K: Chainstay Length | 440 | 440 | 440 | 440 | 440 | 440 |
| L: Wheelbase | 1164 | 1184 | 1208 | 1237 | 1276 | 1311 |
| Crank Arm Length | 165 mm | 170 mm | 170 mm | 170 mm | 170 mm | 175 mm |
| Stem Length | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Handlebar Width | 780 mm | 780 mm | 780 mm | 780 mm | 780 mm | 780 mm |
| Frame Size | XS/S1 | S/S2 | M/S3 | L/S4 | XL/S5 | XXL/S6 |
|---|---|---|---|---|---|---|
| Rider Height | 4'11" - 5'3" 150 - 160 cm |
5'2" - 5'8" 157 - 173 cm |
5'5" - 5'11" 165 - 180 cm |
5'8" - 6'2" 173 - 188 cm |
5'10" - 6'6" 178 - 193 cm |
6'2" - 6'8" 188 - 203 cm |
| Size | XS/S1 | S/S2 | M/S3 | L/S4 | XL/S5 | XXL/S6 |
|---|---|---|---|---|---|---|
| A: Seat Tube Length | 15.2 | 15.2 | 15.9 | 16.7 | 17.5 | 18.3 |
| B: Effective Top Tube | 21.5 | 22.2 | 23.1 | 24.2 | 25.3 | 26.6 |
| C: Stack | 24.2 | 24.0 | 24.3 | 24.7 | 25.2 | 25.4 |
| D: Reach | 16.4 | 17.1 | 17.9 | 18.9 | 19.9 | 21.1 |
| E: BB Height | 13.1 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 |
| F: BB Drop | 1.6 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 |
| G: Head Tube Length | 3.9 | 3.9 | 4.3 | 4.7 | 5.1 | 5.5 |
| H: Head Tube Angle | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° |
| I: Seat Tube Angle | 78.2 ° | 78.2 ° | 77.9 ° | 77.7 ° | 77.5 ° | 77.3 ° |
| J: Standover Height | 29.2 | 29.2 | 29.5 | 29.6 | 30.6 | 30.9 |
| K: Chainstay Length | 17.3 | 17.3 | 17.3 | 17.3 | 17.3 | 17.3 |
| L: Wheelbase | 45.8 | 46.6 | 47.6 | 48.7 | 50.2 | 51.6 |
| Crank Arm Length | 165 mm | 170 mm | 170 mm | 170 mm | 170 mm | 175 mm |
| Stem Length | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Handlebar Width | 780 mm | 780 mm | 780 mm | 780 mm | 780 mm | 780 mm |
| Frame Size | XS/S1 | S/S2 | M/S3 | L/S4 | XL/S5 | XXL/S6 |
|---|---|---|---|---|---|---|
| Rider Height | 4'11" - 5'3" 150 - 160 cm |
5'2" - 5'8" 157 - 173 cm |
5'5" - 5'11" 165 - 180 cm |
5'8" - 6'2" 173 - 188 cm |
5'10" - 6'6" 178 - 193 cm |
6'2" - 6'8" 188 - 203 cm |
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to 
