Bicycle Archive · Specification report

2003 Lightning Thunderbolt Sport

Velopedia Archive ID 30069

Overview

Model year	2003
Brand	Lightning
Model	Thunderbolt Sport
Bicycle type	Recumbent
Archive ID	30069
Original MSRP	$799.00
Sizes	Large/xlarge, small/medium
Weight	30 lb

Frameset

Frame construction	TIG-welded
Frame material	Chromoly main triangle/hi-tensile steel rear stays
Fork	Lightning
Fork material	4130 chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	Recumbent Mix
Shifters	SRAM MRX
Front derailleur	Epoch M811S, bottom-pull/clamp-on 28.6mm
Rear derailleur	Shimano Acera
Crankset	Cyclone AL-337, 28/38/48 teeth
Bottom bracket	Chin Haur CH-47, 118mm spindle
BB shell width	68mm English
Rear cogs	7-speed, 11 - 30 teeth
Chain	KMC SS-71, 1/2 x 3/32"
Pedals	Platform, resin

Brakes

Brakes	Aluminum linear-pull brakes, Tektro RBO-377A levers

Cockpit & contact points

Headset	1" threadless Dia-Tech SBN
Handlebar	Aluminum MTB
Handlebar extensions	N/A
Stem	LCD Tilt Steering
Saddle	Lightning Ergofit, Aluminum frame
Seatpost	N/A

Wheels & tires

Hubs	Shimano Acera
Rims	Aluminum, 36-hole
Spokes	Sapim stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 1.75" Kenda Kwest, Rear: 26 x 1.50" Kenda Kwest
Wheel size	Front: 20", Rear: 26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 2, 2026.