Description

Marin Alcatraz 1 Bike 2025 Overview

Build

Frame

Series 3 6061 Aluminum, 26 Wheels, 135x10mm Horizontal Single Speed Dropouts, 73mm Threaded BB, ISCG 05 Tabs

BB Standard: BSA, 73mm, Threaded

Color: Blue / Blue Fade

Fork

Marin Series 2 CroMo 26″, Suspension Corrected, 100x9mm Dropouts

Bottom Bracket

External Sealed Cartridge Bearings

Headset

FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8″ x 1 1/2

Stem

Marin 3D Forged Alloy, 31.8mm clamp, 40mm extension

Handlebar

Marin Riser, 6061 Double Butted Aluminum, 31.8mm at center bulge, 38mm Rise, 750mm Width, 4 Up, 9 Back

Saddle

Marin DJ Saddle

Seatpost

Marin Alloy, 30.9mm

Type: Rigid

Pedals

Alloy Platform

Grips

Marin MTN, Closed End

Groupset

Rear Derailleur

Front Derailleur

Crank

Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD

Shifters

Cassette

14T Single Speed Cog

Chain

KMC HL-1

Brakes

Tektro MD-M280 Mechanical Disc 160mm Rotor

Type: Mechanical Disc

Brake Levers

Tektro CL-330TS Alloy

Wheels

Rims

Marin Custom Extrusion, 27mm Inner, Pinned Joint

Spokes

14g Black Stainless Steel

Front Hub

Forged Alloy, Bolt On 3/8″ Axle, 100mm Spacing

Rear Hub

Forged Alloy, 135x10mm, Bolt-On, Quad Sealed Bearings, Disc, 32H

Tires

Vee Tire Co. XCV 26×2.25, LSG Compound, Wire Bead