# Trek Fuel EX 8 Gen 7 vs Yeti SB140 C2 90 Transmission: specs and price compared

A sourced, side-by-side comparison of the Trek Fuel EX 8 Gen 7 (Trek) and Yeti SB140 C2 90 Transmission (Yeti) among mountain bikes. Trek Fuel EX 8 Gen 7 is the cheaper of the two at $3799.99.

## Side by side

| Spec | Trek Fuel EX 8 Gen 7 | Yeti SB140 C2 90 Transmission |
| --- | --- | --- |
| US price | $3799.99 | $6200 |
| Brand | Trek | Yeti |
| Released | 2026 | 2026 |
| Frame material | Alpha NEXT Platinum Aluminum | Carbon (C-Series) |
| Wheel size | 29" | 29" |
| Fork travel (mm) | 150 | 160 |
| Rear travel (mm) | 145 | 140 |
| Suspension type | ABP (Active Braking Pivot) | Switch Infinity |
| Drivetrain speeds | 12 | 12 |
| Groupset | SRAM Eagle 70 | SRAM Eagle 90 Transmission (T-Type) |
| Brake type | SRAM DB8, 4-piston hydraulic disc | SRAM Maven Base |
| Weight (lb) | 37.2 | — |

## Key differences

- Frame material: Trek Fuel EX 8 Gen 7 Alpha NEXT Platinum Aluminum vs Yeti SB140 C2 90 Transmission Carbon (C-Series)
- Fork travel (mm): Trek Fuel EX 8 Gen 7 150 vs Yeti SB140 C2 90 Transmission 160
- Rear travel (mm): Trek Fuel EX 8 Gen 7 145 vs Yeti SB140 C2 90 Transmission 140
- Suspension type: Trek Fuel EX 8 Gen 7 ABP (Active Braking Pivot) vs Yeti SB140 C2 90 Transmission Switch Infinity
- Groupset: Trek Fuel EX 8 Gen 7 SRAM Eagle 70 vs Yeti SB140 C2 90 Transmission SRAM Eagle 90 Transmission (T-Type)
- Brake type: Trek Fuel EX 8 Gen 7 SRAM DB8, 4-piston hydraulic disc vs Yeti SB140 C2 90 Transmission SRAM Maven Base

## Sources

- Trek Fuel EX 8 Gen 7: https://www.bikeexchange.com/en-US/products/trek_fuel_ex_8_gen_7_29_2026 (bikeexchange.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/trek-fuel-ex-8-gen-7-vs-yeti-sb140-c2-90-transmission/
Cite: Per The Front Desk Review, Trek Fuel EX 8 Gen 7 ($3799.99) vs Yeti SB140 C2 90 Transmission ($6200) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/mountain-bikes/trek-fuel-ex-8-gen-7-vs-yeti-sb140-c2-90-transmission/
License: CC BY 4.0.