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Cycle Monkey

Internal Gearing Specialists, Bicycle Distribution & Service Center

Rohloff-Equipped Surly Ogre 29'er Mountain/Touring Bike

This Surly Ogre is a great example of an economical Rohloff build done for a customer in Ohio. He was looking for a no-fuss bike that he could ride off-road on his local trails and also take on long-distance tours. The Rohloff SPEEDHUB 500/14 was a natural choice for the drive train. Having ridden a Big Dummy for several years, he was familiar with the quality and value of the Surly brand and looked to their new Ogre frame for his new bike. Parts were chosen to give a good balance of performance, durability, and value.We laced the Rohloff rear hub and White Industries MI6 front disc hub into a pair of Salsa Gordo 29'er rims. Given the choice of large 2.35" Schwalbe Big Apple tires, we needed a rim that would minimize tire roll in corners, and the 35mm width of the Gordo offers this. Sapim Force triple butted spokes and brass nipple round out the build. These spokes have a thicker elbow to minimize breakage in this highly-stress area. The standard Rohloff wheelset lacing pattern of 2x rear, 3x front was used.Surly specializes in affordable, durable steel frames that can serve a variety of purposes. Since they have several avid Rohloff SPEEDHUB 500/14 riders on staff, you will find Rohloff-friendly features incorporated into some of their frames that you won't find on other stock frames. They currently offer 3 models with Rohloff-specific dropouts, two of which offer clean Rohloff cable routing options: Big Dummy, Troll, and Ogre.The Ogre is the 29" version of the popular 26" Troll. It has mountain bike geometry and is sturdy enough for loaded touring. Surly designed this frameset to have maximum setup flexibility: horizontal dropouts with a derailleur hanger on the drive side and Rohloff OEM2 anchoring point on the non-drive side, top tube and down tube cable routing, disc and rim brake mounts, rack and fender mounts, dedicated trailer mounts, suspension-corrected fork, and large tire clearance. The cable guides have a neat shape that allows 1, 2, or 3 cables to be cleanly attached using a single zip-tie.Check out this Soma Juice build for another value-oriented Rohloff option. Build details

  • Frame: Surly Ogre 4130 CroMoly steel
  • Fork: Surly Ogre 4130 CroMoly steel
  • Headset: Cane Creek 40
  • Stem: Salsa Pro Moto
  • Handlebar: Jeff Jones Loop Bar
  • Shifter: Rohloff
  • Grips: Ergon GP1 for Rohloff
  • Seatpost: Salsa Pro Moto
  • Saddle: Selle Anatomica Titanico
  • Front Hub: White Industries MI6
  • Rear hub: Rohloff SPEEDHUB 500/14
  • Spokes: Sapim Force
  • Nipples: Sapim Brass
  • Rims: Salsa Gordo
  • Tires: Schwalbe Big Apple
  • Front Skewer: Shimano XT
  • Cranks and Bottom Bracket: Surly Mr. Whirly
  • Chainring: Surly Stainless Steel
  • Chain: Wippermann Connex 8sX
  • Brakes: Avid BB7 with Speed Dial 7 levers and Jagwire Ripcord housing
  • Rack: Surly Nice
  • Fenders: Planet Bike Cascadia
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