Marin Pine Mountain 2: Steel 27.5+ Hardtail – First Look Review [VIDEO]

Marin celebrates its 30 year anniversary with a new bike that harkens back to the classic, well-liked model it shares its name with, the Pine Mountain. In the video below, we take a look at the 2016 Marin Pine Mountain 2. The Pine Mountain 2 has upgraded build specs and frame construction (compared to the Pine Mounatin 1) that we took a close look at. Not only did we discuss those build specs and frame construction choices made by Marin, but also the possible applications for this 27.5 plus hardtail trail bike.

When looking at the Marin Pine Mountain 2, there were many things I immediately liked and/or was intrigued with.

The first was the frame construction. Columbus CrMo steel catches my attention right away. I have been a huge fan of steel hardtails ever since my first singlespeed 29er. The modern steel frames can be drawn, butted, and formed very precisely yielding a frame that has ride quality and rigidity in just the right places for a great balance of efficiency and comfort. This frame is unique in that it has really cool, high quality, yet understated graphics and design elements. The 30th anniversary emblem on the seat tube looks phenomenal. The raw, clear-coated frame with brazing showing through makes this frame look completely custom and has an industrial feel. As I looked at the brazing, I noticed this steel frame has cable routing through the frame. For a steel frame this is almost unheard of. Mad props to Marin for including this. It isn’t entirely necessary, but isappreciated as it makes this bike look clean, high quality, and if you didn’t know better, a one-off piece that was custom ordered.

Secondly, was the plus sized wheels and tires. While WTB Trailblazers are on the narrow end of the plus bike tread options, they roll quick and add volume that is noticeable. The WTB Scraper rims, with their 45mm inner width, allow a wide profile and will be a good foundation for any other tires you may decide to use in the future.

Thirdly, the rack and fender mounts on the frame are definitely a rarity on a trail bike like this. In my opinion, its better to have them and not need them, should you only use this bike in drier conditions for a general trail bike instead of loading it up or outfitting it with fenders. Like the adage goes, “Its better to have them and not need them, then not have them and wish you had them.” I imagine other frames like this, capable of general trail riding with higher volume tires and a little more comfortable geometry, will start incorporating features that cater to bikepacking, longer rides, and carrying more gear as overnight trips by bike continue to grow in popularity.

Fourth, I noticed the HUGE amount of clearance on the Fox Float 34 fork. This thing could probably come close to clearing an actual fat bike tire. It appears that tires close to 4 inches wide may fit. 29 plus tires should fit no problem, so I imagine just about any 27.5 plus tire could fit up there. That is a great plus. Pun intended.

Fifth, the dropper post. This was very intriguing. While I have yet to use a dropper post on a bikepacking trip, I have used them on trail rides and they are undoubtedly a huge benefit. This is the first time I can recall seeing a bike come factory spec’d with both a dropper post and rack mounts on the frame.  I quickly wondered why. Why haven’t I seen this combination before and why did Marin include both. Both of my two hypotheses hinged on the assumption that because Marin wanted to make this a trail bike (Marin calls it “Trail+”), they included a dropper post. That seems reasonable. My first hypothesis is that in order to utilize a dropper post while bikepacking, the larger seat bags that are so common and often necessary for carrying sleeping bags, tents, clothing, or other bulky items would not be possible. Since the large seat bag wouldn’t be used when using the dropper, rack mounts would provide the opportunity to carry that necessary volume on a rear rack. The second hypothesis is that Marin figured most of the time, trail riders would prefer to have a dropper post, so they included it in the build, but they knew that the plus-size platform, with the trail geometry and steel frame would attract many riders would see this bike as one that can fulfill two roles: trail riding and bikepacking/all terrain touring. If riders plan to trail ride most days, but occasionally use it for an overnight bike trip, it would be easy to either swap out the seat post and use a large seat bag, or mount a rack and bags to carry their gear. I think its a good call and may be ahead of its time in a trend that may start in the future as we see more riders using their bikes to explore and spend nights in the backcountry.

Build Specs as listed on MarinBikes.com:

  • Frame: Columbus Thron Butted and Formed CrMo, 27.5+ Wheels, Boost 148x12mm Naild Locking Thru-Axle Dropouts
  • Weight: 29.01 lb/13.16 kg (published bike weight is based on a size Medium frame)
  • Front Fork: Fox Float 34 27.5+, 3 Position Lever, 110x15mm Thru-Axle
  • Crankset: Shimano Deore XT Hollowtech II, 32T
  • Derailleur Rear: Shimano Deore XT Shadow Plus
  • Shift Lever: Shimano Deore XT 1×11-Speed
  • Derailleur Front: Cassette: Shimano Deore XT 11-Speed, 11-42T
  • Bottom Bracket: Shimano Hollowtech II
  • Chain: KMC X11L
  • Hub Rear: Formula, 148x12mm, Alloy Axle, Quad Cartridge Sealed Bearing, Centerlock Disc, 32H
  • Hub Front: Formula, 110x15mm, Sealed Cartridge Bearing, Centerlock Disc 28H
  • Rim: WTB Scraper, 45mm Inner, Tubeless Ready Spokes
  • Nipples: 14g Black Stainless Steel
  • Tires: WTB Trail Blazer, 27.5×2.8
  • Brakes Front: Shimano SLX Hydraulic Disc, 180mm Rotor
  • Brakes Rear: Shimano SLX Hydraulic Disc, 160mm Rotor
  • Brake Levers: Shimano SLX Hydraulic Cockpit
  • Handlebar: Marin Flat Top Riser Grips: Marin Locking
  • Stem: Marin 3D Forged Alloy
  • Headset: FSA Orbit, Sealed Cartridge Bearing, 1 1/8
  • Seatpost: KS LEV Integra, 30.9mm
  • Saddle: WTB SLC XC

 

 

Thanks for reading.

 

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About RideAlongside

Ride alongside one another. Through life, on bikes, together.

Posted on January 30, 2016, in 275plus, Bikepacking, Fatbike, MTB product REVIEW, MTB Tech, News, San Diego Riding, Videos and tagged , , , , , , , , , , , , . Bookmark the permalink. 6 Comments.

  1. You think there’s enough clearance back there for standard 3.0 tires?

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    • I think so. I don’t think they would be calling it 27.5+ if I could only fit the trailblazers. I will look to see if we got some shots of the rear triangle tire clearance for you. Thanks for your comment James!

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    • Straight from Marin: There is not enough clearance for a true fat bike 4” tire width. The bike was designed around the 27.5+ standard (generally 2.8-3.0”). WTB’s Trail Boss 2.8 has a bit more clearance especially in the front as it was designed to fit in a standard 29er fork.

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  2. Love this review – I think your hypothesis about the dropper post and rear rack eyelets is probably accurate, although it would make more sense in my opinion to simply swap posts when using the bike for bikepacking. As far as the drivetrain goes, I’ve ridden the Krampus with a 33 in the front and 42 in the back while loaded, and although it’s not perfect for interminable 3,000 foot+ climbs, it is doable. That being said, I do wish it came stock with a 30 up front.

    After much research, I actually decided to sell my Surly Krampus (sad day) and order one of these beautiful bikes, which should be arriving any day. Thanks to you and a few other bikepacking/mountain biking sites for the review.

    Liked by 1 person

  1. Pingback: The Ultimate List of 650B+ Bikes (27.5 Plus Mountain Bikes) « JameSEO

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