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Trek 4100 Alpha Mountain Bike, 20” Aluminum Frame, Thick 26” Wheels, 2 - $259 (Raleigh)
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Selling a Trek 4100 Alpha hardtail mountain bike in a beautiful red that truly stands out. Trek makes extremely durable, well-built bikes, and this one is in pristine condition—clean, sharp, and ready to ride.
Recently tuned for smooth performance:
We tuned it up so the bike has smooth shifting, confident braking, and a tight, dialed-in feel. No projects here—this is a ride-today bike.
Why this bike is excellent
• Trek quality (strong frame, dependable components, built to last)
• 20” aluminum frame — lighter than steel and very responsive
• 21-speed gearing — climbs hills easily and cruises comfortably
• Front suspension — excellent shock absorption over bumps/curbs/trails
• Brakes stop on a dime — strong, responsive braking
• Thick tires with full tread — stable, grippy, and confidence-inspiring
• Soft grips + comfortable saddle — genuinely comfortable ride
• Great for: pavement, greenways, gravel paths, and light/moderate trails
Condition: Pristine / very clean
Test rides: Welcome
Pickup: Local pickup only
If you’re looking for an awesome, exciting mountain bike that turns heads and rides smooth, this Trek is a great buy.