Marin Bikes | 2025 Nicasio ST

📏Size Guide

Classic steel comfort and everyday versatility in an approachable step-thru design built for commuting, gravel roads, and relaxed all-road riding.

The Marin Nicasio ST is a steel all-road bike designed for riders who want comfort, versatility, and easy accessibility without sacrificing modern gravel capability. Built around Marin’s Steezy double butted CrMo steel frame with a step-thru design, the Nicasio ST combines smooth ride quality with stable handling for commuting, fitness rides, urban exploration, and light gravel adventures.

Equipped with a Shimano Claris 2x8-speed drivetrain, mechanical disc brakes, and wide 700x36c tires, the Nicasio ST delivers dependable performance and confident comfort across pavement, gravel paths, and mixed-surface routes.

Key Features

• Steezy Double Butted CrMo Steel Frame
Steel construction delivers a smooth and comfortable ride feel for long rides and rough roads.

• Step-Thru Frame Design
Improves accessibility and everyday usability while maintaining stable all-road handling.

• 700C Wheel Platform
Efficient rolling performance suited for commuting, road riding, and gravel exploration.

• Shimano Claris 2x8-Speed Drivetrain
Reliable wide-range gearing for climbing, commuting, and mixed-terrain riding.

• Mechanical Disc Brakes
Consistent braking performance with easy maintenance and dependable stopping power.

• Rack and Fender Mounts
Ready for commuting, touring, grocery runs, and utility-focused riding setups.

• Flared Drop Handlebar
Provides additional comfort and control across gravel and rough pavement.

Technical Specifications

• Category
Gravel Bike

• Discipline
Gravel / Road / Urban

• Frame
Steezy Double Butted CrMo Beyond Road Step-Thru Frame, Fender and Rack Mounts

• Fork
CrMo Fork with Fender and Rack Eyelets

• Bottom Bracket
Sealed Cartridge Bearings, Square Taper

• Headset
FSA No.8D Sealed Cartridge Bearings

• Rear Derailleur
Shimano Claris 8-Speed

• Front Derailleur
Shimano Claris

• Shifters
Shimano Claris 2x8-Speed

• Crankset
FSA Tempo Compact, 50/34T

• Cassette
SunRace 8-Speed, 11-32T

• Chain
KMC Z8

• Brakes
Tektro MDC400 Mechanical Disc Brakes

• Brake Rotors
160mm

• Wheelset
Marin Aluminum Double Wall, 19mm Inner Width

• Front Hub
Forged Aluminum Alloy, Disc, 32H

• Rear Hub
Forged Aluminum Alloy, Disc, 32H

• Tires
WTB Exposure 700Cx36mm

• Handlebar
Marin Butted Alloy Compact 16º Flared Drop Bar

• Stem
Marin 3D Forged Alloy

• Seatpost
Marin Alloy, 27.2mm

• Saddle
Marin Beyond Road Concept

• Pedals
Nylon Platform

• Color Option
Sky Blue (#7EC8E3)

Geometry

Suitable for gravel riding, commuting, fitness riding, urban riding, recreational road riding, and light touring.