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Surly Moonlander Bike - 2013

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Built to go beyond where normal bikes can go, the Surly Moonlander bike takes the fat-tire mantra up a notch with ginormous 4.7 in. wide tires for tackling next-level terrain.

  • Bringing the bigness, the massive 4.7 in. tires deliver ground contact and better traction, especially when run at low pressures, allowing the tires to roll over stuff
  • TIG-welded frame is made of sturdy 4130 chromoly steel with double-butted tubing in the main triangle for strength
  • Fork uses 135mm hub spacing—same as the rear hub—so you can have a front wheel with a full gear cluster or single cog and swap the front and rear wheels in a bind
  • Surly MWOD double cranks are matched up with Shimano derailleurs and Microshift shifters to create a smooth, easily shiftable 18-gear drivetrain (even with gloves on!)
  • Horizontal dropouts with a derailleur hanger mean you can run the Moonlander as-is, or go to an internally geared hub, fixie or single-speed later on
  • Avid BB7 mechanical disc brakes facilitate controlled deceleration and sure stopping power in mixed conditions
  • 100mm wide Surly Clown Shoe rims are wrapped with 4.7 in. Surly Big Fat Larry tires, which have 120 tpi casings for lighter rolling weight and enhanced terrain conformation
  • Also includes 2 water bottle mounts and continuous brake/shift housing to protect cables in harsh conditions
  • The Moonlander also has rack and fender eyelets (rack and fenders not included—please note: rack and fenders will need to accommodate oversize tires)
  • Specs on the Surly Moonlander bike are subject to change

All bicycles sold at REI include a free warranty tune-up. New bikes go through a normal break-in period, after which readjustment is important for longevity and performance. Bring your new bike in to your local REI for its free tune-up within 20 hours of use or 6 months from purchase, whichever comes first. Contact your nearest REI bike shop to schedule this important service.


Item 850621


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Surly Moonlander Bike - 2013 Specs
Best use
Mountain biking
Mountain bike
4130 chromoly steel
4130 chromoly steel
Surly Mr. Whirly Offset Double, 36/22
Surly Mr. Whirly
Microshift Thumb Shifters
Shimano SLX
Shimano Deore
Shimano HG-61, 11-34, 9-speed
18 gear(s)
Disc brake
Avid BB7
Avid SD-7
Surly Clown Shoes
Surly New Disc, 32h
Shimano XT, 32h
26 inches
Surly Big Fat Larry, 26x4.7
Riser bar
Salsa MotoAce
Kalloy AS-008
Kalloy SP-342
Sold separately
Cane Creek 40
How we measure bike weight
No suspension
Bike style
Bike frame material
Bottom bracket
Front derailleur
Rear derailleur
Rear cogs
Number of gears
Brake type
Brake levers
Front hub
Rear hub
Wheel size
Handlebar shape
Seat post
Bike weight
Bike suspension

Surly Moonlander Bike - 2013

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