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Bolinas Ridge 2

Aluminium29-inch (27.5-inch on the smaller sizes)Mountain
$749.99
at BikesOnline, was $999.99. In stock, checked 3 Nov 2026.
All Marin prices
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AluminiumFrame
◎
29-inch (27.5-inch on the smaller sizes)Wheel size
⚙
Shimano Altus 1x8Drivetrain
◉
DiscBrakes
SizesXS (27.5")S (27.5")M (29")L (29")XL (29")Which size?

OverviewAbout the Marin Bolinas Ridge 2

The Marin Bolinas Ridge 2 is a mountain bike, built on an aluminium frame, listed at $749.99 at BikesOnline. An off-road bike for trails, with grippy tyres and trail-ready geometry.

aluminiumdisc brakehardtail

How it comparesThe Bolinas Ridge 2 against similarly priced bikes

  • At $749.99 it costs less than 91% of the 223 mountain bikes we list.
  • Head angle: 67.0 degrees, slacker, so steadier on descents than the middle of similarly priced hardtail mountain bikes (68.0 degrees).
  • Front travel: 100 mm, about the same as similarly priced hardtail mountain bikes (middle 100 mm).
  • Lowest gear ratio: 0.71, about the same as similarly priced hardtail mountain bikes (middle 0.70).
  • Gears at the back: 8-speed, fewer than the middle of similarly priced hardtail mountain bikes (9-speed).
  • Stock tyre width: 57 mm, about the same as similarly priced hardtail mountain bikes (middle 57 mm).
  • No dropper post as standard; 0 of 9 similarly priced hardtail mountain bikes include one.

Closest alternatives on price

Compare the Bolinas Ridge 2 with the two closest side by side

Compared with the 25 similar mountain bikes on BikeFinder priced $500 to $1,000, using each bike's published specs and the price shown on its page.

SizingWhat size Bolinas Ridge 2 do I need?

cm

Enter your height to see the size Marin recommends.

Marin Bolinas Ridge 2 size chart
SizeRider heightIn feet
XS (27.5")147 to 157 cm4 ft 10 in to 5 ft 2 in
S (27.5")157 to 165 cm5 ft 2 in to 5 ft 5 in
M (29")165 to 175 cm5 ft 5 in to 5 ft 9 in
L (29")175 to 183 cm5 ft 9 in to 6 ft 0 in
XL (29")183 to 191 cm6 ft 0 in to 6 ft 3 in

Rider heights from Marin's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.

SpecificationsWhat we know

Brand
Marin
Category
Mountain
Frame
Aluminium
Wheel size
29-inch (27.5-inch on the smaller sizes)
Drivetrain
Shimano Altus 1x8
Brakes
Disc
Frame sizes
XS (27.5"), S (27.5"), M (29"), L (29"), XL (29")
Price
$749.99 at BikesOnline, was $999.99. In stock, checked 3 Nov 2026.

Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.

GeometrySize M (29 inch)

REACH445STACK622WHEELBASE1,184CHAINSTAY45567.0°74.5°
Marin Bolinas Ridge 2, size M (29 inch). Published geometry, drawn to scale.
Stack
622 mm
Reach
445 mm
Stack/reach
1.40
Head angle
67 deg
Seat angle
74.5 deg
Wheelbase
1184 mm
Chainstay
455 mm
BB drop
61 mm
Standover
699 mm
Fork rake
46 mm

GearingRatios

0.71lowest (climbing)
2.91highest (speed)
Very low climbing gear

Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.

Drivetrain & buildFull specification

Groupset
Shimano Altus
Shifting
Mechanical
Drive
1x
Speeds
8
Crank
Marin Forged Alloy
Chainrings
32
Cassette
Shimano 8-Speed, 11-45T
Rear derailleur
Shimano Essa, 8-Speed
Brakes
Tektro M280 Hydraulic Disc
Rotors
160mm
Wheelset
Marin, Double Wall Alloy
Stock tyre
29x2.25
Seatpost
Marin Alloy, 27.2mm
Cockpit
Marin Alloy, 31.8mm, 45mm / Marin 31.8 Riser, 12mm Rise, 780mm Width
Saddle
Marin MTB

SuspensionMTB detail

Front travel
100 mm
Fork
SR Suntour XCM DS
Wheel config
29
Suspension
hardtail

Bike DNAWhat the numbers say

Steering
A 67 deg head angle points to balanced trail handling.
Climbing
Lowest ratio 0.71 is a very low climbing gear for steep or loaded climbs.

Derived from the published geometry and gearing above. It describes the numbers, not a ride test.

BikeFinder Data Profile: geometry and specification researched from published sources (BikesOnline product page (specification list and geometry table)), verified 2026-11-03. This is a specification analysis, not a physical ride review.

Where to buyStockist

BikesOnline
In stock, checked 3 Nov 2026
$749.99
Check size and stock →

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