Bicycle Archive · Specification report

1999 Trek TR-30 Jumping

Velopedia Archive ID 83597

Overview

Model year	1999
Brand	Trek
Model	TR-30 Jumping
Bicycle type	Freestyle/jumping
Archive ID	83597
Original MSRP	$309.99
Colors	Tidal Blue/Sky Blue
Sizes	Pro
Weight	26 lb

Frameset

Frame construction	TIG-welded
Frame material	Chromoly
Fork	Trek
Fork material	Chromoly
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	1-piece steel
Bottom bracket	One piece
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	Taya TB-410, 1/2 x 1/8"
Pedals	Alloy platform

Brakes

Brakes	Dia-Compe 990 brakes, Chang Star 281DT levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset SE-1
Handlebar	Chromoly
Handlebar extensions	N/A
Stem	Alloy Ahead type
Saddle	Bontrager FS Plus 10
Seatpost	Alloy, 25.4mm diameter

Wheels & tires

Hubs	Kung Ten aluminum
Rims	Bontrager Mack, 48-hole
Spokes	2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.10" Bontrager Revolt ST-2, Rear: 20 x 1.75" Bontrager Revolt ST-2
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	520 mm
Head-tube angle	73.5°
Seat-tube angle	71°
Chainstay / rear center	375 mm
Wheelbase	949 mm
Fork offset / rake	33 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.