Bicycle Archive · Specification report

2011 Marin Seadrift Step-Thru

Velopedia Archive ID 23633

Overview

Model year	2011
Brand	Marin
Model	Seadrift Step-Thru
Bicycle type	Hybrid
Archive ID	23633
Original MSRP	$389.99
Colors	White
Sizes	15W, 17W, 19W

Frameset

Frame construction	Aluminum
Frame material	6061 aluminum
Fork	Cromoly Rigid
Fork material	Steel
Rear shock	N/A

Drivetrain

Component group	Hybrid Mix
Shifters	Shimano EF-51 EZ fire
Front derailleur	Shimano
Rear derailleur	Shimano
Crankset	Suntour XCT, 48/38/28t teeth
Bottom bracket	Sealed cartridge
Cassette	Shimano
Rear cogs	7-speed, 14 - 28 teeth
Chain	Ug51
Pedals	Composite

Brakes

Brakes	Forged Alloy Linear Pull brakes, Shimano integrated levers

Cockpit & contact points

Headset	1 1/8" double sealed
Handlebar	50mm rise
Handlebar extensions	Not included
Stem	40 degree rise
Saddle	Marin Comfort
Seatpost	Alloy Micro Adjust, 27.2mm diameter

Wheels & tires

Hubs	Alloy Double Sealed
Rims	Double Wall, 36-hole
Spokes	Stainless, 14ga. (2.0mm)
Front tire	700 x 35c Kenda Kwest
Wheel size	700c wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 11, 2026.