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Description
MARIN BOLINAS RIDGE 2 27 XSRECREATIONAL MOUNTAIN BIKING ENTRY LEVEL RIDERS FITNESS DIRT ROAD RIDING The perfect blend of performance, value and fun, the Marin Bolinas Ridge is ideal for riders that are new to mountain biking or simply want a low hassle, low cost bike to explore off road. The Bolinas Ridge 2 is our upgraded Bolinas, stepping up the fun and the components. The Bolinas Ridge 2 gets an upgrade to Clarks Hydraulic disc brakes and features a SR Suntour suspension
RECREATIONAL MOUNTAIN BIKING
ENTRY-LEVEL RIDERS
FITNESS DIRT ROAD RIDING
The perfect blend of performance, value and fun, the Marin Bolinas Ridge is ideal for riders that are new to mountain biking or simply want a low-hassle, low-cost bike to explore off-road.
The Bolinas Ridge 2 is our upgraded Bolinas, stepping up the fun and the components. The Bolinas Ridge 2 gets an upgrade to Clark’s Hydraulic disc brakes and features a SR/Suntour suspension fork, reliable and grippy off-road tires and plenty of kick-ass Marin components. The Bolinas is ideal to break out onto the trails and push your own boundaries.
Depending on size, the Bolinas Ridge comes with either smaller 27.5” (sizes XS to M) wheels or larger (sizes M to XL) wheels to guarantee a perfect fit.
Key upgrades over the Bolinas Ridge 1:
- Shimano Altus 3x8 drivetrain
- Clark's hydraulic disc brakes
- SR/Suntour XCM DS fork
Please note - specifications & price subject to change without prior notice.
| 01. FRAME | Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes |
| 02. FRONT SUSPENSION | SR Suntour XCM DS, 100mm Travel, Preload Adjustment, 46mm Offset |
| 03. RIMS | Marin, Double Wall Alloy |
| 04. HUB, REAR | Forged Alloy, Disc, 32H |
| 05. HUB, FRONT | Forged Alloy, Disc, 32H |
| 06. SPOKE, NIPPLES | Black Stainless Steel |
| 07. TIRES | MTB, 27.5/29x2.25" |
| 08. DERAILLEUR, REAR | Shimano Altus, 8-Speed |
| 09. DERAILLEUR, FRONT | Shimano FD-TY700 |
| 10. SHIFT LEVER | Shimano Altus 3x8-Speed |
| 11. CRANKSET | Alloy Crank, Steel Chainrings, 42/34/24T |
| 12. BOTTOM BRACKET | Sealed Cartridge Bearings, Square Taper |
| 13. CHAIN | KMC Z8 |
| 14. CASSETTE | SunRace 8-Speed, 11-34T |
| 15. BRAKE, FRONT | Tektro M275 Hydraulic Disc, 160mm Rotor |
| 16. BRAKE, REAR | Tektro M275 Hydraulic Disc, 160mm Rotor |
| 17. BRAKE LEVERS | Tektro M275 Hydraulic Disc |
| 18. HANDLEBAR | Marin 31.8 Riser, 12mm Rise, 780mm Width |
| 19. STEM | Marin Alloy, 31.8mm, 45mm |
| 20. GRIPS | Marin MTB, Closed End |
| 21. HEADSET | FSA No.10-P |
| 22. SEATPOST | Marin Alloy, 27.2mm |
| 23. SADDLE | Marin MTB |
| 24. PEDALS | Nylon Platform |
| XS | S | M (27.5) | M (29) | L | XL | XXL | |
|---|---|---|---|---|---|---|---|
| STACK | 580.8 | 585.5 | 590 | 616 | 620.5 | 625 | 630 |
| REACH | 400 | 415 | 430 | 430 | 445 | 465 | 475 |
| HEADTUBE ANGLE | 68.5° | 68.5° | 68.5° | 68° | 68° | 68° | 68° |
| HEADTUBE LENGTH | 100 | 105 | 110 | 110 | 115 | 120 | 125 |
| SEATTUBE ANGLE | 74° | 74° | 74° | 74° | 74° | 74° | 74° |
| SEATTUBE LENGTH | 330 | 381 | 431 | 431 | 481 | 520 | 559 |
| TOPTUBE EFFECTIVE | 566.5 | 583 | 599.2 | 606.6 | 623 | 644.2 | 655.6 |
| BB HEIGHT | 307 | 307 | 307 | 311.5 | 311.5 | 311.5 | 311.5 |
| BB DROP | 48 | 48 | 48 | 61 | 61 | 61 | 61 |
| CHAINSTAY | 430 | 430 | 430 | 455 | 455 | 455 | 455 |
| WHEELBASE | 1084.5 | 1101.3 | 1118.2 | 1160 | 1177 | 1199 | 1210 |
| STANDOVER HEIGHT | 649.11 | 663.03 | 706.24 | 716.44 | 744.89 | 773.66 | 806.58 |
| FORK OFFSET | 46 | 46 | 46 | 46 | 46 | 46 | 46 |
| SEATPOST DIAMETER | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 |
| HANDLEBAR WIDTH | 780 | 780 | 780 | 780 | 780 | 780 | 780 |
| STEM LENGTH | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
| CRANK LENGTH | 170 | 170 | 170 | 170 | 170 | 170 | 170 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 3
Not much noise reduction…
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Easy to install but did not provide much sound dampening…
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 5
High quality, super sticky, very effective
Style: 30 sqft
As long as the surface is thoroughly cleaned, these mats will stick to just about anything. They provide my car with a tremendous amount of sound dampening and have made riding in the car 10 times more enjoyable.
I drive a Toyota Yaris and although the engine is built like it's meant to last forever (imagine that), the rest of the car is not of high quality. Which means we used to get A LOT of noise coming from the road, other cars, etc. After I installed these mats which, by the way, I wasn't able to install on every surface I wanted to install them on (due to lack of tools to be able to disassemble certain parts of the interior), the noise coming from outside the car is nearly completely gone.
I covered the underside of my hood, the entire interior part of the hatchback, most of the floor in the trunk / spare tire well, and the entire interior side of the doors. The parts I couldn't get to (or didn't want to) were: the ceiling, underneath the driver & passenger seats, behind the dash and the floor for the 2nd row seating. As you can see I left a lot of surfaces untreated with this product AND STILL it blocks most of the sound.
To note: people recommended getting the roller tools to help install these mats. I got a few of them in different sizes and they worked O K. Not because of the quality of the tool but because some places you need to install these mats in don't have enough clearance to use the tool. That being said, for the larger surfaces, the roller tools help a lot. Also I found it very beneficial to use aluminum tape while installing these. The tape I used is specifically designed for materials that undergo high temperature changes (like your dryer vents, etc.). This wasn't because the mats were not sticky enough but because there were some places I installed the mats with small gaps between them.
I'd also recommend getting some kind of fluffy insulation-type material for large spaces that need noise dampening. Rock wool, for example, worked great for me. As an example, the interior sides of the 2nd row seating walls had large spaces between the plastic interior cover and the metal part of the car wall. I'd install the mats on the metal but was left with 6" - 7" of space between it and the plastic cover. I chose to fill those spots (and spots like it) with insulation which provided EVEN MORE noise dampening.
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Reviewed in the United States on November 25, 2024
★★★★★ 5
Best butyl out there.
Style: 30 sqft
If you want the money you're spending on equipment to pay off, you NEED to deaden sound! I've used every major brand and siless is my favorite to work with and the best value for your money, I'm not just adding weight, it's a thermal barrier and reduce outside noise.
I turned a 10 year old, base model civic into what feels like a top tier Lexus .
Does not offgas, no smell. Super easy to install.
Make sure you get a set of rollers! They're required to achieve the advantages of this stuff, it MUST be adhered well and you don't want to tear the interior out twice.
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Reviewed in the United States on August 10, 2025
★★★★★ 5
Yes
Style: 30 sqft
Easy to work with, quiets doors very well, cuts very easily to any shape needed or wanted with scissors, sticks well, and molds in to place well
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Easy to install and easy to cut! Good quality
Style: 30 sqft
Details in the video! Only used dynamat in the past so I was hesitant to use this. Hesitant no more and the price was good. Good value, easy install, very happy!
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Reviewed in the United States on January 26, 2026