Bicycle Archive · Specification report

2010 Marin Muir Beach Girls EXP

Velopedia Archive ID 20749

Overview

Model year	2010
Brand	Marin
Model	Muir Beach Girls EXP
Bicycle type	Juvenile
Archive ID	20749
Original MSRP	$269.99
Colors	Pink Pather
Sizes	20" Wheel

Frameset

Frame construction	TIG-welded
Frame material	6061 aluminum
Fork	Rigid
Fork material	Chromoly, single crown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Alloy, 152mm, 44 teeth
Bottom bracket	Sealed Semi-Cartridge
Rear cogs	1-speed, 18 teeth
Chain	Kmc
Pedals	Slipper/ Flip Flop compatible composite

Brakes

Brakes	Coaster brake rear

Cockpit & contact points

Headset	1" double sealed
Handlebar	Alloy Long Horn
Handlebar extensions	Not included
Stem	Alloy
Saddle	Kids Lounge Chair comfort
Seatpost	Alloy Micro Adjust, 300mm, 27.2mm diameter

Wheels & tires

Hubs	Front: Alloy Sealed, Rear: Coaster Brake
Rims	Alloy, 36-hole
Spokes	Stainless, 14ga. (2.0mm)
Spoke nipples	Brass
Front tire	20 x 2.25" Kenda Flame
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 24, 2026.