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"Bontrager's SE4 is a bit of a sleeper"
"Side knobs are well supported to avoid any unwanted squirming."
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"The Minions have found a serious competitor"
"Riders looking for an aggressive all-round tread pattern or the absolute strongest tyre for bikepacking should be very happy with a set of SE4s"
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"All-purpose rubber"
"A tasty cocktail of excellent climbing traction, good braking traction and decently fast rolling"
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"Terrifically versatile tyre"
"Given their durability and predictably sticky feel, the SE4s are easily one of the best do-it-all trail tyres that I’ve used in the past year"
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How to change a flat tyre
Flats happen, learn how to change your tube quickly so you can get back rolling.
Learn moreProduct features
Go tubeless
A properly set up tubeless system lets you run lower tyre pressure for better traction, added confidence and a smoother, faster ride.
Better together
Bontrager offers a complete tubeless system including wheels, tyres, sealant, valves, and rim strips. Every part of this set-up is designed to work smoothly together, for the best in performance and ease of use.
30-Day Unconditional Guarantee
If for any reason you’re not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.
Learn moreYour guide to MTB tyres
We'll help you find the right rubber for the trails you love to ride.
Find your tyreTry our tyre finder
The right tyres can make every ride better! Find the best tyres for however and wherever you ride.
Find your tyre| Size | 27.5" x 2.4" | 27.5" x 2.6" | 29" x 2.4" | 29" x 2.6" |
|---|---|---|---|---|
| Diameter | 27.5" | 27.5" | 29" | 29" |
| Width | 2.4" | 2.6" | 2.4" | 2.6" |
| TPI | 60 TPI | 60 TPI | 60 TPI | 60 TPI |
| Durometer | 61a/50a | 61a/50a | 61a/50a | 61a/50a |
| Bead | Folding | Folding | Folding | Folding |
| Type | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher |
| Minimum pressure | 30 psi | -- | -- | -- |
| Maximum pressure | 50 psi | 40 psi | 50 psi | 40 psi |
| ETRTO | 58-584 | 66-584 | 58-622 | 66-622 |
| Tread | Knobby | Knobby | Knobby | Knobby |
| Construction | Core Strength | Core Strength | Core Strength | Core Strength |
| Studdable | No | No | No | No |
| Sealant volume | 85 ml | 90 ml | 90 ml | 95 ml |
| Weight | 845g | 950g | 905g | 1065g |