TREK ALPHA 4100 MOUNTAIN BIKE MENS YOUTHS HARDTAIL MTB XC JUMP | in Burton-on-Trent, Staffordshire | Gumtree
RLB Cycleworks - A nice 2004 Trek 4100 aluminum frame mountain bike with a 16” frame. Professionally serviced and ready to ride! A higher-end mountain bike with an semi-aggressive geometry with excellent
![TREK 4100 Alpha Aluminum 21 Speed Hardtail Mountain Bike, Sports Equipment, Bicycles & Parts, Bicycles on Carousell TREK 4100 Alpha Aluminum 21 Speed Hardtail Mountain Bike, Sports Equipment, Bicycles & Parts, Bicycles on Carousell](https://media.karousell.com/media/photos/products/2022/12/21/trek_4100_alpha_aluminum_21_sp_1671623370_0eccfc64_progressive.jpg)