SB140 LR T4 XX TRANSMISSION
Yeti
Trail
SB140 LR T4 XX TRANSMISSION is a carbon trail mountain bike (2025), from Yeti, in the SB140 series. It is best suited to riders who want a more active, performance-leaning off-road feel, with a setup that gives you a sporty, active riding position, with a surface profile that is well suited to natural trails and mixed off-road terrain. Standout strengths from the metrics include strong climbing friendliness for sustained uphill riding, a comfort-leaning ride feel over longer rides, and capable suspension support for rougher terrain. Relative to category specialists, the trade-off is a value score that depends more on priorities than pure price efficiency. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
Geometry
| Measurement | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.435 mm | 1.348 mm | 1.302 mm | 1.257 mm | 1.26 mm |
| Bottom Bracket Height | 342 mm | 342 mm | 342 mm | 342 mm | 342 mm |
| Front Center | 752 mm | 783 mm | 806 mm | 835 mm | 860 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 124 mm | 125 mm | 124 mm | 125 mm | 124 mm |
| Stack | 617 mm | 620 mm | 625 mm | 635 mm | 655 mm |
| Reach | 430 mm | 460 mm | 480 mm | 505 mm | 520 mm |
| Top Tube Length | 573 mm | 603 mm | 624 mm | 652 mm | 671 mm |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 365 mm | 400 mm | 440 mm | 470 mm | 485 mm |
| Head Tube Angle | 65 ° | 65 ° | 65 ° | 65 ° | 65 ° |
| Head Tube Length | 92 mm | 95 mm | 100 mm | 112 mm | 134 mm |
| Chainstay Length | 436 mm | 438 mm | 440 mm | 442 mm | 444 mm |
| Wheelbase | 1188 mm | 1221 mm | 1246 mm | 1277 mm | 1304 mm |
| Bottom Bracket Drop | 32 mm | 32 mm | 32 mm | 32 mm | 32 mm |
| Standover Height | 726 mm | 733 mm | 737 mm | 739 mm | 744 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |




























































