Surly Ogre frameset

This is Surly Ogre, Troll’s big wheeled brother sister. Troll and Ogre offer the same ability to accommodate a wide array of drivetrains, brakes, and cargo-hauling accessories. The main difference is that Ogre runs on 29˝ wheels, the Troll on 26˝.

Built of 4130 CroMoly steel and based on the tried-and-true geometry of our venerable Karate Monkey, Ogre is designed to be a platform for exploration, commuting, trailer-pulling, on-road and off-road touring, and just riding along. Ogre features, mounts for linear-pull and disc brakes, three bottle cage mounts (the mounts on the top of the downtube allow higher or lower cage placement depending on your needs), ample room between the stays for high-volume rubber up to 2.5˝, and housing guides designed to accommodate three lines which cleanly organize full shift and brake housing.

Ogre comes with our suspension-corrected (80mm) fork with threaded mounts for fenders and a rack. It will run cantilever or disc brakes so you can choose a system that best suits your stopping needs. Both fork and frame allow the use of a fender, disc brake, and rack at the same time. That’s surprisingly unusual in many modern frames. The fork also sports triple-boss bottle cage mounts, one set on each side. Each cage can be run in a high or low position, or you can run oversized Anything Cages.

The frame is spaced for 135mm hubs, with the same rear-loading horizontal dropouts as our Troll. The dropouts feature a derailleur hanger, slotted disc brake mounts, M10 x 1mm threaded holes for mounting Surly Bill & Ted trailer-connecting hardware (or B.O.B. Nutz), and a dedicated anchoring point for a Rohloff OEM2 axle plate. We designed a ton of versatility into these dropouts so you can run a singlespeed, internally geared hub or full derailleur drivetrain, with disc or rim brakes, with or without racks and fenders, with new or older parts, whatever best serves you. Framesets and complete bikes are available in sizes small through XXL (equivalent to 24˝). The complete bike parts spec is durable and sensible…just the sort of value you expect from a Surly.

If you’re like us, your bike needs will likely change by the day, week, month or year. Ride it to the office during the day, rip some local single-track after work, use it to tote crates of freakishly-large tubers next weekend, and tour that stretch of off-the-beaten-path double-track next month. With Ogre, you can do that.

Frame Highlights:

Tubing:
Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded
Rear Dropouts:
Horizontal slotted with derailleur hanger, 135mm O.L.D. Features Rohloff torque arm slot and threaded eyelets for fenders, racks and Surly trailer mounts
Brake Compatibility:
Disc and rim brake compatible. Disc mounts are 51mm IS Rim brake pivots are removable. Note: rear disc brake is limited to 160mm maximum rotor diameter and requires the use of Surly caliper adapter
Braze-ons/extras:
Full-length Surly Trip Guide housing line guides for derailleurs and brakes; three sets of bottle cage mounts (one set may be run in higher or lower position); removable post cantilever pivots; upper seatstay threaded barrels, mid- and low-blade fully threaded through-blade fork eyelets; threaded holes for racks, fenders and trailer mounting nuts; Rohloff OEM2 axle plate mounting slot
Seatpost diameter:
27.2mm
Seatpost clamp diameter:
30.0mm (Surly stainless included)
Headset/Steertube:
1-1/8˝ threadless
Front Derailleur Clamp Diameter:
28.6mm, top-pull or Shimano high direct mount (adaptor included)
Bottom bracket shell:
73mm shell width, threaded standard English (1.37˝ x 24t)
Chainring Clearance:
26/36/46t
Tire Clearance:
29 x 2.5˝. Individual tire and rim combos affect tire clearance
Fork:
TIG-welded 4130 CroMoly, 80mm suspension corrected, tapered and butted straight blade. Low- and mid-blade fully threaded through-blade rack eyelets; fender mount eyelets at dropout; 1-1/8˝ x 260mm threadless steer tube, 51mm disc mount (203mm max. rotor diameter), removable cantilever pivots, line/housing guides; two sets of bottle cage mounts, each height adjustable (note: cages cannot be used on fork with some racks, and vice versa)
Color:
Tanish Gray or Blacktacular

Geometry: