Overview /
3 Series is your weekend trail bike, your workday commuter, or both. Versatility, great suspension, smart spec… it's no wonder 3 Series is the world's best-selling mountain bike.
Can't decide between a trail bike and a commuter? Get both, in one bike. 3 Series gives you confidence, control, and road-to-trail versatility, wherever you ride.
Highlights /
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Light, tough frame
Trail-ready Alpha Aluminum frame is rack and fender ready for daily practicality.
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Outstanding warranty
Built to last, and backed by Trek's limited lifetime warranty.
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Perfect fit
Our extended size range guarantees a better fit, so you get a better ride.
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Quality components
Shimano drivetrains mean smooth shifting over the long haul.
