Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" -
Travel Front 100mm -
Fork SunTour XCT
-
Groupset Altus, Shimano -
Suspension Hardtail -
Drivetrain 3 × 8 -
Brakes Mechanical Disc
Sizing
Recommended size guide.
XS
158cm - 167cm
SM
165cm - 173cm
MD
169cm - 180cm
LG
177cm - 186cm
XL
183cm - 191cm
XXL
186cm - 194cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Series 1 6061 Aluminum w/ SHOT Tech, 27.5” Wheels, Disc Mounts
Suspension Fork
SR Suntour XCT HLO 27.5”, Hydraulic Lockout, 100mm Travel (80mm Travel Size XS)
Drivetrain
Rear Derailleur
Shimano Altus
Front Derailleur
Shimano Altus
Shift Levers
Shimano EF51 8-Speed
Cassette
Sunrace 8-Speed, 11-32T
Crank
Forged Alloy, 42/34/24T
Bottom Bracket
Sealed Cartridge Bearing, Square Taper
Chain
KMC Z8
Pedals
Resin Platform
Wheels
Rear Hub
Formula, 6-Bolt Disc, 32H
Rims
Maddux Double Wall, Machined Sidewall
Tires
Vee Tire Galaxy, 27.5x2.1
Brakes
Brakes
Tektro Aires Mechanical Disc, 180mm Rotor
Brake Levers
Shimano w/ Integrated Shifters
Cockpit
Stem
Marin Alloy
Handlebar
Marin Riser
Grips
Marin Dual Density
Headset
FSA No.10-P
Seat
Saddle
Marin MTB
Seatpost
Marin Alloy
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.56 mm | 1.49 mm | 1.43 mm | 1.39 mm | 1.4 mm | 1.42 mm |
| Bottom Bracket Height | 305.5 mm | 305.5 mm | 305.5 mm | 305.5 mm | 305.5 mm | 305.5 mm |
| Front Center | 641 mm | 656 mm | 671 mm | 692 mm | 714 mm | 725 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 87 mm | 89 mm | 91 mm | 91 mm | 88 mm | 91 mm |
| Stack | 591.31 mm | 591.31 mm | 591.31 mm | 600.65 mm | 619.32 mm | 637.99 mm |
| Reach | 379.6 mm | 396.61 mm | 413.61 mm | 430.75 mm | 442.04 mm | 449.33 mm |
| Top Tube Length | 563 mm | 578 mm | 595 mm | 615 mm | 632 mm | 645 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 330 mm | 382.1 mm | 431.8 mm | 482 mm | 520 mm | 559 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 110 mm | 110 mm | 110 mm | 120 mm | 140 mm | 160 mm |
| Chainstay Length | 428 mm | 428 mm | 428 mm | 428 mm | 428 mm | 428 mm |
| Wheelbase | 1065 mm | 1080 mm | 1095 mm | 1116 mm | 1138 mm | 1149 mm |
| Bottom Bracket Drop | 48 mm | 48 mm | 48 mm | 48 mm | 48 mm | 48 mm |
| Standover Height | 640 mm | 682 mm | 723 mm | 765 mm | 799 mm | 832 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 165 cm | 169 cm | 177 cm | 183 cm | 186 cm |
| Rider Max Height | 167 cm | 173 cm | 180 cm | 186 cm | 191 cm | 194 cm |
Model Overview
Bolinas Ridge 7.2 belongs to the Marin Bolinas model. Marin launched 22 bikes of this model so far. You can get a glimpse at all models from 2016, by clicking on this link.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Average price for Crosscountry bikes
If you want an acceptable Crosscountry bike you should know that the average price is 1905$. However, this doesn’t mean that if you spend less money on a Crosscountry bike, you couldn’t get a decent one. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Overview of components
Fork
Marin Bolinas Ridge 7.2 2016 bike is equipped with the SunTour XCT fork, and has 100mm travel. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In conclusion, always look for a fork with decent travel when you buy a bike.
Wheels
The Bolinas Ridge 7.2 2016 bike is equipped with 27.5″ aluminum wheels when leaving the factory. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Mechanical Disc brakes. They deliver good performance and cost less than hydraulic disk brakes. However, performance-wise there is room for improvement.
Sizes
Marin Bolinas Ridge 7.2 bike has 6 sizes, in the range of 158 cm – 194 cm (5.18 ft – 6.36 ft). In conclusion, finding one for you shouldn’t be a problem.