VelopediaBicycle Archive · Specification report

1997 Python Opello

Velopedia Archive ID 61516

Overview

Model year1997
BrandPython
ModelOpello
Bicycle typeMountain bike, non-suspension
Archive ID61516
Original MSRP$179.95
ColorsLight blue
Sizes16", 18", 20", 22", womens 16", womens 18"

Frameset

Frame constructionTIG-welded
Frame materialHi-tensile steel
ForkPython
Fork materialHi-tensile steel, unicrown crown
Rear shockN/A

Drivetrain

Component groupShimano Tourney TY-15
ShiftersShimano Tourney MY-15 top-mount
Front derailleurShimano Tourney TY-15, bottom-pull
Rear derailleurShimano Tourney TY-15
CranksetSteel, cotterless, 28/38/48 teeth
Bottom bracketChin Haur CH-32, 116 mm spindle
BB shell width68mm English
Rear cogs5-speed, 14 - 28 teeth
ChainKMC HP-20, 1/2 x 3/32"
PedalsCW resin

Brakes

BrakesWheeler cantilever brakes, Python aluminum levers

Cockpit & contact points

Headset1" Tien Hsin
HandlebarPython steel
Handlebar extensionsNot included
StemPython steel
SaddlePython
SeatpostPython steel, 26.4 mm diameter

Wheels & tires

HubsFront: Jou Yu aluminum, nutted, Rear: Jou Yu steel, nutted
RimsPython aluminum, 36-hole
SpokesSteel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tire26 x 1.95" Duro HF-101
Wheel size26" wheels

Geometry · Legacy reference

Top tube546.1 mm
Head-tube angle71°
Seat-tube angle73°
Chainstay / rear center431.8 mm
Wheelbase1036.3 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 21, 2026.