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.
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
Size
Rider height
In feet
XS (27.5")
147 to 157 cm
4 ft 10 in to 5 ft 2 in
S (27.5")
157 to 165 cm
5 ft 2 in to 5 ft 5 in
M (29")
165 to 175 cm
5 ft 5 in to 5 ft 9 in
L (29")
175 to 183 cm
5 ft 9 in to 6 ft 0 in
XL (29")
183 to 191 cm
6 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)
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.
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.
BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked. This is an affiliate link. If you buy through it BikeFinder may earn a small commission, at no extra cost to you.