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2021 Marin

Bolinas Ridge 2

A 27.5″ aluminum frame hardtail crosscountry bike with modest components and mechanical disc brakes.
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Manufacturer Price

$569
FrameAluminum
SuspensionHardtail, 100mm
ForkSuntour XCM
Wheels27.5″ Aluminum
Drivetrain3 × 8
GroupsetTourney, Altus
BrakesMechanical Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Bolinas Ridge 2
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

31 mph

Bolinas Ridge 2

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

4'9" – 5'3"

SM

5'2" – 5'5"

LG

5'9" – 6'1"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes

ColorsGloss Charcoal / Blue/black; Satin Black / Cyan/roarange

Fork

SR Suntour XCM DS, 100mm Travel, Preload Adjustment, 46mm Offset

Travel100mm

Spring TypeCoil

Bottom Bracket

Sealed Cartridge Bearings, Square Taper

Headset

FSA No.10-P

Stem

Marin Alloy, 31.8mm, 45mm

Handlebar

Marin 31.8 Riser, 12mm Rise, 780mm Width

Saddle

Marin MTB

Seatpost

Marin Alloy, 27.2mm

TypeRigid

Pedals

Nylon Platform

Grips

Marin MTB, Closed End

Groupset
Rear Derailleur

Shimano Altus, 8-Speed

Front Derailleur

Shimano FD-TY700

Crank

Alloy Crank, Steel Chainrings, 42/34/24T

Shifters

Shimano ST-EF51 3x8-Speed

Cassette

SunRace 8-Speed, 11-34T

Chain

KMC Z-8.3

Brakes

Power CX7 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor

TypeMechanical Disc

Brake Levers

Shimano w/ Integrated Shifters

Wheels
Rims

Marin, Double Wall Alloy

Front Hub

Forged Alloy, 32H

Rear Hub

Forged Alloy, 32H

Tires

MTB, 27.5/29x2.25"

Rider Notes
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First added December 23

Last updated March 2

Not listed for 1,903 days