VelopediaBicycle Archive · Specification report

1997 Python Bonecrusher

Velopedia Archive ID 65750

Overview

Model year1997
BrandPython
ModelBonecrusher
Bicycle typeMountain bike, non-suspension
Archive ID65750
Original MSRP$384.95
ColorsLight blue
Sizes16", 18", 20"

Frameset

Frame constructionTIG-welded
Frame materialChromoly, double-butted, oversize
ForkPython
Fork material4130 chromoly, unicrown crown
Rear shockN/A

Drivetrain

Component groupShimano Alivio
ShiftersGrip Shift Quickshift
Front derailleurShimano AceraX top-swing, bottom-pull
Rear derailleurShimano Alivio
CranksetCyclone CPI-348 SQS, 24/34/42 teeth
Bottom bracketTien Hsin sealed cartridge, 116 mm spindle
BB shell width68mm English
Rear cogs7-speed, 13 - 28 teeth
ChainKMC HP-70S, 1/2 X 3/32"
PedalsHTI steel/resin w/clips & straps

Brakes

BrakesJo-Ying 999A brakes, Python aluminum levers

Cockpit & contact points

Headset1 1/8" Tien Hsin TH-3600
HandlebarPython chromoly
Handlebar extensionsPython Shorty aluminum
StemPython chromoly
SaddleViscount Flite
SeatpostPolygon PM-311, 27.2 mm diameter

Wheels & tires

HubsFront: Sovos sealed mechanism, Q/R, Rear: Sovos cassette Q/R
RimsPython aluminum, 32-hole
SpokesMarwi stainless steel, 2.0mm double butted
Spoke nipplesBrass nipples
Front tire26 x 2.00" Duro HF-827
Wheel size26" wheels

Geometry · Legacy reference

Top tube558.8 mm
Head-tube angle71°
Seat-tube angle73°
Chainstay / rear center426.7 mm
Wheelbase1054.1 mm

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