Bolinas Ridge 2
Marin
Crosscountry
Bolinas Ridge 2 is an alloy cross-country mountain bike (2025), by Marin, from the Bolinas Ridge lineup. This model is best for a wide range of riders thanks to its fit flexibility, leaning toward a balanced riding position, while being best for smoother trails and efficient rolling. The main strengths in the metrics are strong value-for-money versus many similar bikes, good fit flexibility for dialing in rider position, and strong speed potential on smoother terrain. Compare this bike on MatchBikes.com to similar cross-country models.
6.0
Rating

Image 1 of 2
Score Summary
Performance
4.5
Value
9.3
Fit
6.6
Performance
Built for speed and efficiency
Speed
5.8
Low
Climbing Efficiency
3.3
Hefty but Manageable
Suspension
5.0
Confident trail control
Fit
Dialed-in Fit & Comfort
Riding Position
6.1
Balanced
Fit Flexibility
7.1
Adjustable
Ride Comfort
6.4
Balanced
Value
Value for Money
9.3
Exceptional Value
Surface Range
Flow TrailsSpecifications
General
Brand
Marin
Model
Bolinas Ridge 2
Year
2025
Price
$740
Category
Mountain
Sub Category
Crosscountry
Groupset
Tourney, Altus
Frame
Frame
Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes
Suspension Fork
SR Suntour XCM DS, 100mm Travel, Preload Adjustment, 46mm Offset
Suspension Type
Hardtail
Drivetrain
Shift Levers
Shimano Altus 3x8-Speed
Rear Derailleur
Shimano Altus, 8-Speed
Front Derailleur
Shimano FD-TY700
Cassette
SunRace 8-Speed, 11-34T
Crank
Alloy Crank, Steel Chainrings, 42/34/24T
Bottom Bracket
Sealed Cartridge Bearings, Square Taper
Chain
KMC Z8
Wheels
Front Hub
Forged Alloy, Disc, 32H
Rear Hub
Forged Alloy, Disc, 32H
Rims
Marin, Double Wall Alloy
Spokes
Black Stainless Steel
Tires
MTB, 27.5/29x2.25"
Brakes
Brake Type
Hydraulic Disc
Brake Description
Tektro HDM275 Hydraulic Disc, 160mm Rotor
Brake Levers
Tektro Hydraulic
Cockpit
Stem
Marin Alloy, 31.8mm, 45mm
Handlebar
Marin 31.8 Riser, 12mm Rise, 780mm Width
Grips
Marin MTB, Closed End
Seat
Saddle
Marin MTB
Seatpost
Marin Alloy, 27.2mm
Geometry
| Measurement | XS | SM | MD | MD | LG | XL | XXL |
|---|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.395 mm | 1.361 mm | 1.339 mm | 1.398 mm | 1.346 mm | 1.301 mm | 1.267 mm |
| Bottom Bracket Height | 307 mm | 307 mm | 307 mm | 311.5 mm | 311.5 mm | 311.5 mm | 311.5 mm |
| Front Center | 690 mm | 707 mm | 719 mm | 736 mm | 758 mm | 779 mm | 803 mm |
| Rake | 42 mm | 42 mm | 42 mm | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 102 mm | 102 mm | 102 mm | 109 mm | 109 mm | 109 mm | 109 mm |
| Stack | 586 mm | 592 mm | 596 mm | 622 mm | 626 mm | 631 mm | 640 mm |
| Reach | 420 mm | 435 mm | 445 mm | 445 mm | 465 mm | 485 mm | 505 mm |
| Top Tube Length | 583 mm | 599 mm | 610 mm | 617 mm | 639 mm | 660 mm | 683 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
| Seat Tube Length | 330 mm | 381 mm | 431 mm | 431 mm | 481 mm | 520 mm | 559 mm |
| Head Tube Angle | 67.5 ° | 67.5 ° | 67.5 ° | 67 ° | 67 ° | 67 ° | 67 ° |
| Head Tube Length | 100 mm | 105 mm | 110 mm | 110 mm | 115 mm | 120 mm | 130 mm |
| Chainstay Length | 438 mm | 438 mm | 438 mm | 455 mm | 455 mm | 455 mm | 455 mm |
| Wheelbase | 1124 mm | 1141 mm | 1153 mm | 1184 mm | 1206 mm | 1228 mm | 1252 mm |
| Bottom Bracket Drop | 48 mm | 48 mm | 48 mm | 61 mm | 61 mm | 61 mm | 61 mm |
| Standover Height | 619 mm | 639 mm | 686 mm | 699 mm | 726 mm | 760 mm | 790 mm |
| Wheels | 27" | 27" | 27" | 29" | 29" | 29" | 29" |
| Rider Min Height | 147 cm | 157 cm | 169 cm | 169 cm | 175 cm | 182 cm | 186 cm |
| Rider Max Height | 157 cm | 165 cm | 180 cm | 180 cm | 182 cm | 190 cm | 194 cm |




























































