Bicycle Archive · Specification report

2002 Marin MBX 250

Velopedia Archive ID 37737

Overview

Model year	2002
Brand	Marin
Model	MBX 250
Bicycle type	BMX
Archive ID	37737
Original MSRP	$419.99
Colors	Brushed
Sizes	Expert

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum
Fork material	4130 chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	FSA CK-40 3-piece, 44 teeth
Bottom bracket	Loose ball
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	KMC, 1/2 x 3/32"
Pedals	Platform

Brakes

Brakes	Dia-Compe MX-2 rear brakes, Unspecified front/Dia-Compe MX-2 rear levers

Cockpit & contact points

Headset	1 1/8" threadless Tange Seiki
Handlebar	Chromoly BMX
Handlebar extensions	Not included
Stem	Aluminum, forged
Saddle	Padded BMX
Seatpost	Aluminum micro-adjust, 26.0mm diameter

Wheels & tires

Hubs	Aluminum
Rims	Alex AL-DM24, 36-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Front tire	Front: 20 x 2.00" Maxxis Max Daddy, Rear: 20 x 1.75" Maxxis Max Daddy
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	515.6 mm
Head-tube angle	74°
Seat-tube angle	70.5°
Chainstay / rear center	381 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.