Bicycle Archive · Specification report

1993 Performance M/503

Velopedia Archive ID 40855

Overview

Model year	1993
Brand	Performance
Model	M/503
Bicycle type	Mountain bike, non-suspension
Archive ID	40855
Original MSRP	$369.00
Sizes	15, 17, 19, 21
Weight	29 lb

Frameset

Frame construction	TIG-welded steel
Frame material	True Temper DB chrome-moly main tubes
Fork	Spinner chrome-moly

Drivetrain

Component group	Shimano Altus A20 Rapidfire Plus
Shifters	Shimano Altus A20 Rapidfire Plus
Front derailleur	Shimano Altus A20
Rear derailleur	Shimano Altus A20
Crankset	Shimano Altus A20, 28/38/48 teeth
Rear cogs	7-speed, 12 - 28 teeth
Chain	Shimano CN-HG50
Pedals	H.K. VP 977S

Brakes

Brakes	Shimano Altus A20 brakes, levers

Cockpit & contact points

Handlebar	Hsin Lung Mt-CR-14
Stem	Hsin Lung MTS-137-1
Saddle	Vetta ATB, Astrale cover
Seatpost	Kalloy Sp246A

Wheels & tires

Hubs	Shimano
Rims	Kin Lin RT-6n, 36-hole
Front tire	26 x 1.95" Cheng Shin C860
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	561.3 mm
Head-tube angle	70°
Seat-tube angle	70°
Chainstay / rear center	429.3 mm
Wheelbase	1056.6 mm
Fork offset / rake	44.4 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 23, 2026.