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Compare Best Mountain Bikes head to head
Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.
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#3 on this list
SB140
Yeti
Switch Infinity translating pivot gives a rearward axle path early and a supportive mid-stroke. The race pedigree is real.
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- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
#4 on this list
Sentinel
Transition
Speed Balanced Geometry with a slack head angle and steep seat tube. Confidence at speed without wandering on climbs.
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- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
Specs side by side
| Spec | SB140 | Sentinel |
|---|---|---|
| Travel | 140mm Rear / 160mm Front | — |
| Frame Material | Carbon Fiber | Aluminum or Carbon |
| Wheel Size | 29-inch | — |
| Suspension | Switch Infinity | Full Suspension |
| Intended Use | Trail, All-Mountain | — |
| Maker | — | Transition Bikes |
| Model | — | Sentinel |
| Geometry | — | Speed Balanced |
What our reviewers liked and didn't
SB140
- Outstanding traction under braking
- Race-proven geometry
- Very stiff rear triangle
- Switch Infinity needs regular service
- Premium pricing
Sentinel
- Very composed at high speed
- Sensible spec at each price
- Alloy option available
- Long wheelbase feels lazy on tight trails
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.