With a lightweight aluminum frame, trail-capable suspension fork, grippy MTB tires, and all-condition disc brakes, the Marin Bolinas Ridge ST 1 has everything you need to hit the trails and push your limits.

The ST 1 is the best value model in the ST family, delivering serious performance for the price. It features powerful Tektro mechanical disc brakes, a reliable SR Suntour suspension fork, and dependable off-road tires.

Its new step-thru frame design maximizes accessibility and comfort. It is available exclusively with 27.5" wheels in sizes XS–M to ensure optimal ergonomics and easy mounting.

Specifications

FRAME
Series 1 6061 Aluminum
Step-Thru Design
27.5" Wheels
Low Standover
68mm BB Shell
135mm Forged Dropouts
Chainstay Mounted Disc Brakes

FRONT SUSPENSION
SR Suntour XCE Disc
100mm Travel
Preload Adjustment
46mm Offset

RIMS
Marin Double Wall Alloy

REAR HUB
Forged Alloy, Disc, 32H

FRONT HUB
Forged Alloy, Disc, 32H

SPOKES
Black Stainless Steel

TIRES
MTB 27.5 x 2.25"

FRONT DERAILLEUR
Shimano FD-TX600

REAR DERAILLEUR
Shimano Tourney, 7-Speed

SHIFT LEVERS
Shimano Tourney 2x7-Speed

CRANKSET
Alloy Crank
Steel Chainrings 36/22T

BOTTOM BRACKET
Sealed Cartridge Bearings, Square Taper

CHAIN
KMC Z8

CASSETTE
Shimano CSHG200
7-Speed
11-32T

FRONT BRAKE
Tektro MDM280 Mechanical Disc
160mm Rotor

REAR BRAKE
Tektro MDM280 Mechanical Disc
160mm Rotor

BRAKE LEVERS
Shimano with Integrated Shifters

HANDLEBAR
Marin 31.8 Riser
12mm Rise
780mm Width

STEM
Marin Alloy
31.8mm
45mm Length

GRIPS
Marin MTB, Closed End

HEADSET
FSA No.10-P

SEATPOST
Marin Alloy, 27.2mm

SADDLE
Marin MTB

PEDALS
Nylon Platform