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Specialized Stumpjumper 15 Alloy vs Yeti SB140 C2 90 Transmission

A sourced, side-by-side comparison. Specialized Stumpjumper 15 Alloy is cheaper at $3000. Every spec and price links to its source.

Which is better: the Specialized Stumpjumper 15 Alloy or Yeti SB140 C2 90 Transmission?

On the specs we track, they're closely matched. The Specialized Stumpjumper 15 Alloy is the cheaper at $3000.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Specialized Stumpjumper 15 Alloy Yeti SB140 C2 90 Transmission
US price $3000 $6200
BrandSpecializedYeti
Released20252026
Frame material M5 Alloy Carbon (C-Series)
Wheel size 29" (MX 27.5" rear compatible) 29"
Fork travel (mm) 150 160
Rear travel (mm) 145 140
Suspension type Horst-link (FSR) Switch Infinity
Drivetrain speeds 12 12
Groupset Shimano Deore M6100 SRAM Eagle 90 Transmission (T-Type)
Brake type Shimano BR-MT420, 4-piston hydraulic disc SRAM Maven Base
Weight (lb) 36.53

Sources — Specialized Stumpjumper 15 Alloy: bikeradar.com (verified 2026-08-01). Yeti SB140 C2 90 Transmission: yeticycles.com (verified 2026-08-01).

What's the difference between the Specialized Stumpjumper 15 Alloy and Yeti SB140 C2 90 Transmission?

Where the two actually differ on the specs we track (7 of 9). Matching specs are omitted.

  • Frame material: Specialized Stumpjumper 15 Alloy M5 Alloy vs Yeti SB140 C2 90 Transmission Carbon (C-Series)
  • Wheel size: Specialized Stumpjumper 15 Alloy 29" (MX 27.5" rear compatible) vs Yeti SB140 C2 90 Transmission 29"
  • Fork travel (mm): Specialized Stumpjumper 15 Alloy 150 vs Yeti SB140 C2 90 Transmission 160
  • Rear travel (mm): Specialized Stumpjumper 15 Alloy 145 vs Yeti SB140 C2 90 Transmission 140
  • Suspension type: Specialized Stumpjumper 15 Alloy Horst-link (FSR) vs Yeti SB140 C2 90 Transmission Switch Infinity
  • Groupset: Specialized Stumpjumper 15 Alloy Shimano Deore M6100 vs Yeti SB140 C2 90 Transmission SRAM Eagle 90 Transmission (T-Type)
  • Brake type: Specialized Stumpjumper 15 Alloy Shimano BR-MT420, 4-piston hydraulic disc vs Yeti SB140 C2 90 Transmission SRAM Maven Base

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