Some inspiration from Rad.

Specs:

Frame - 1985 Mongoose Californian

Forks - 1985 Mongoose Californian

Handlebars - Pro Class Steel 8.25" x 27"

Stem - SR 423 Alloy and Chromoly

Grips - Team Mongoose

Brakes RR - Pro Class MX 1000

Cables - Teflon

Levers - Lee Chi Tech III

Crank - SR Cosmolite 175x28

Chainwheel - Pro Class Power Plate

Chainring - 44t

Freewheel - Suntour 16t, chromoly

Pedals - SR MP470, alloy 1/2"

Hubs - SR MH310

Rims - Pro Class III Hard Anodized, 20x1.75

Tires - Comp III style, skinwall

Seat - M1 Vented Nylon

Seat Clamp - MX Hinged Alloy Clamp

Seatpost - 30° Laidback, Chromoly 7/8" x 14"

Pads - Mongoose

Headset - Mongoose

Bottom Bracket - Mongoose

Decals - Mongoose Californian

Number Plate - Dyno D-1