Bicycle Archive · Specification report

1997 Bontrager B1

Velopedia Archive ID 64799

Overview

Model year	1997
Brand	Bontrager
Model	B1
Bicycle type	BMX
Archive ID	64799
Original MSRP	$399.00
Colors	Silver
Sizes	Expert, Pro, XL

Frameset

Frame construction	TIG-welded
Frame material	4130 chromoly
Fork	Bontrager
Fork material	4130 chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	1-piece chromoly, 44 teeth
Bottom bracket	One piece
BB shell width	68mm Threadless
Rear cogs	1-speed, 16 teeth
Chain	KMC, 1/2 x 1/8"
Pedals	Aluminum

Brakes

Brakes	Tektro 876AG V-Brake brakes, Tektro levers

Cockpit & contact points

Headset	1 1/8" threadless Dia-Compe Aheadset
Handlebar	Chromoly
Handlebar extensions	N/A
Stem	Bontrager aluminum
Saddle	Velo C20
Seatpost	Bontrager Comp, 27.0 mm diameter

Wheels & tires

Hubs	Aluminum nutted
Rims	Bontrager Mack, 36-hole
Spokes	Stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.125" Cheng Shin Comp III type, Rear: 20 x 1.75" Cheng Shin Comp III type
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	514.4 mm
Head-tube angle	74°
Seat-tube angle	68°
Chainstay / rear center	378.5 mm
Wheelbase	906.8 mm
Fork offset / rake	35 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 12, 2026.