# Specialized Stumpjumper 15 Alloy vs Yeti SB140 C2 90 Transmission: specs and price compared

A sourced, side-by-side comparison of the Specialized Stumpjumper 15 Alloy (Specialized) and Yeti SB140 C2 90 Transmission (Yeti) among mountain bikes. Specialized Stumpjumper 15 Alloy is the cheaper of the two at $3000.

## Side by side

| Spec | Specialized Stumpjumper 15 Alloy | Yeti SB140 C2 90 Transmission |
| --- | --- | --- |
| US price | $3000 | $6200 |
| Brand | Specialized | Yeti |
| Released | 2025 | 2026 |
| 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 | — |

## Key differences

- 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

## Sources

- Specialized Stumpjumper 15 Alloy: https://www.bikeradar.com/news/specialized-stumpjumper-15-alloy (bikeradar.com, verified 2026-08-01)
- Yeti SB140 C2 90 Transmission: https://yeticycles.com/en-us/bikes/sb140 (yeticycles.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/mountain-bikes/specialized-stumpjumper-15-alloy-vs-yeti-sb140-c2-90-transmission/
Cite: Per The Front Desk Review, Specialized Stumpjumper 15 Alloy ($3000) vs Yeti SB140 C2 90 Transmission ($6200) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/mountain-bikes/specialized-stumpjumper-15-alloy-vs-yeti-sb140-c2-90-transmission/
License: CC BY 4.0.