4000 / 830AL / 820AL - 1998-1999. Bontrager is owned by Trek as well and that's why you will very often see Bontrager parts on Gary Fisher, Trek and Klein mountain bikes. So now you know! aka TREK Part no # 230026.
DAHJSD Bike Lights Set for Trek 3500 2011 – USB Rechargeable Bike Headlight and Tail Light for Night Riding, Rain-resistant Front and Rear Bicycle Lights,A front
DAHJSD Bike Lights Set for Trek 3700 Disc 2013 – USB Rechargeable Bike Headlight and Tail Light for Night Riding, Rain-resistant Front and Rear Bicycle Lights, C front + back
TREK Frame 3500 3 Series Alpha Mountain Bike Rim Brakes 26” Wheels Threadless
Chooee Bicycle PRO gear cable for Shimano/SRAM universal shift wire 2100 mm/2500 mm/3000 mm/3500 mm/3500 mm, super smooth switching cable 2 x 2500 mm
Shimano Road Tandem Stainless Steel Inner Brake Wire,1.6 x 3500 mm, Single
Shimano Sora 3500 Road Bike Rear Mech Derailleur 9 Speed, Black