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2021 S4 SKU: BMT21785

Specialized Stumpjumper Alloy Mountain Bike - 2021, S4

Regular price

Ships in 3 business days

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TPC Guarantee

Every bike receives our white glove, Certified Pre-Owned treatment, including a full pro-tune by our Master Mechanics in Louisville, CO. All CPO bikes are pristine and rolling beautifully before we pack and ship to your door.

Bike will ship in 2-3 business days, after it receives our Certified Pre-Owned service, which includes upgrades listed below & a pro-tune by one of our Master Mechanics in Louisville, CO.

Upgrades
- New rear shifter cable/housing for crisp shifting.

Master Mechanic's Notes
- Front & rear brake bleeds, firming up lever pull & creating consistent grab.
- Light scratches on crank arms.
- Light scratches on rear seat stay suspension linkage.

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141-Point Inspection

This bike passed our 141-point inspection to qualify to be a Certified Pre-Owned bike. It's free of structural damage and is in excellent cosmetic shape.

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30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

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RideFast Shipping

Assemble your bike in 15 minutes or less! Our bikes ship in our RideFast box for speed and safety. All tools you need to assemble are included.

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Specifications

Year 2021
Brand Specialized
Model Stumpjumper Alloy
Size S4
Frame Material Aluminum
Drivetrain SRAM, 1x12 spd
Weight 35 lbs 2 oz
Fork RockShox 35 Silver
Fork Travel 140mm
Rear Shock X-Fusion 02 Pro RL
Rear Shock Travel 130mm
Brakes Tektro Gemini SL, Disc - Hydraulic
Shifters SRAM SX Eagle, Mechanical
Rear Derailleur SRAM SX Eagle
Bottom Bracket Shell Threaded
Crankset SRAM SX Eagle, 30t, 170mm
Cassette SRAM PG-1210, 11-50t
Chain SRAM
Handlebar Specialized Alloy, 780mm
Headset FSA Integrated
Stem Specialized Alloy, 35.0mm x 50mm, 0°
Seatpost TranzX Dropper, 34.9mm
Seatpost Travel 150mm
Saddle Specialized Bridge
Front Axle Spacing 15x110mm (Thru-Axle)
Rear Axle Spacing 12x148mm Boost
Wheelset Specialized Roval Disc Aluminum Tubeless Compatible, Alloy
Front Tire Specialized Butcher Grid 2Bliss Ready, 29" x 2.3"
Rear Tire Specialized Purgatory Grid 2Bliss Ready, 29" x 2.3"
Tire Type Tubeless
Tubeless Compatibility Wheels are tubeless compatible

Geometry

Recommended Rider Height N/A
a. Effective Top Tube 615 mm
b. Seat Tube 425 mm
c. Seat Tube Angle 77.7, 77.2 (High BB, Low BB)
d. Head Tube Angle 65, 65.5 (High BB, Low BB)
e. Head Tube 120 mm
f. Stack 631, 627 (High BB, Low BB)
g. Reach 480, 475 (High BB, Low BB)
h. Standover Height 830 mm
i. Saddle Height Range 660 - 780 mm
VIEW SIZING GUIDE
QUALITY YOU CAN TRUST

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.

OVER 1,500 FIVE-STAR REVIEWS

“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

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