1987 Bridgestone Sirius 300

Bike photo
Serial
M7D070620
Other serial/registration/sticker
M7... Obscured by the factory paint job.
Manufacturer
Bridgestone
Model
Sirius 300
Year
1987
Primary colors
Red
Frame size
L
Frame Material
Steel
Handlebar type
Drop bars
Wheel diameter
27in
Tire width
Narrow tire
Drivetrain front
2
Drivetrain rear
5
Distinguishing features
Red 1987 Bridgestone Sirius 300 Sport Touring bike. Maplewood Bike Shop Sticker on seat tube. Lugged steel frame. Panaracer Pasela tires front and rear. Diacomp Brakes front and rear. Weinman wheels front and rear. Brooks Cambium C17 saddle.

Drivetrain and brakes

Cog/Cassette/Freewheel
Five speed freewheel
Brake
caliper brakes front and rear (Dia-Compe)
Chainrings
Two chainrings (Sakae)
Derailleur
alpha 3000 (SR Suntour)
Shifter
Indexed shifting on the downtube alpha 3000 (SR Suntour)
Pedals
MKS rat trap style pedals from Japan (MKS)