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  • Surly ECR 27+ & 29+ Frameset

Surly ECR 27+ & 29+ Frameset

  • Brand: Surly
  • Product Code: car531

12 months interest free

  • $1,250.00

Sometimes the only way to break the humdrum of life is with a bike ride off the beaten path. Sometimes just for a quick overnighter, sometimes a month and half fully-loaded through nine countries. The ECR is our answer to those sometimes.

Those familiar with this steel mule know it’s designed around plus tires, previously of the 29” variety. A fully loaded 29+ bike is an excellent way to explore and get away for a while… if you’re of a certain stature that is. For smaller riders, it poses several challenges though. And no one wants new problems when they’re in the woods trying to escape old ones. To solve this, we redesigned the smaller sizes of the ECR to work with 27.5+ while the larger sizes are still equipped with 29+. All you medium specimens out there get your pick of the litter as we’re offering that size in both options. So way to just be average I guess.

Other updates to the ECR include and are limited to: Gnot-Boost rear spacing with our updated Troll dropout and a killer new beige paint job. It retains the abundant accessory mounts that we all know and love like Surly Trip Guide for brakes and derailleurs, fender, rack, and Bill/Ted eyelets, and a Rohloff torque arm slot. The 27.5+ sizes also feature two sets of Three-Pack bosses while the 29+ sizes have two water bottle mounts and one set of Three-Pack bosses. You’ve got a lot of options to bring all your “necessities” with you and still have room for excess baggage if you’ve got it. And sweet ground scores when you find them.

Get loaded and go with the ECR!


Tubing Surly 4130 CroMoly steel. Custom double-butted trumpet tube main triangle. TIG-welded. ED coated
Rear Dropouts Horizontal slotted with derailleur hanger; Surly “Gnot Boost” 135, 142, or 148mm hub spacing compatibility, Features Rohloff torque arm slot and threaded eyelets for fenders, racks and Surly trailer mounts
Brake Compatibility 51mm I.S. disc calipers (Max rotor size 160mm rear with Surly brake adapter, 203mm front)
Braze-ons/extras XS–M (27.5+) has two triple bottle-mounts. M–XL (29+) has two water bottle mounts and one triple bottle-mount. Surly Trip Guide full line guides for brake and derailleurs, fender and rack eyelets
Seatpost diameter 27.2mm
Seatpost clamp diameter 30.0mm (Surly stainless included)
Headset/Steerer Tube 1-1/8? threadless
Front Derailleur Clamp Diameter 28.6mm, High direct-mount standard, clamp adapter included
Bottom bracket shell 73mm shell width, threaded standard English (1.37? x 24t)
Chainring Clearance Triple 22/34/44t, Double 26/39t, Max single ring clearance, middle position, 34t. Outer position 44t. (Triple will only work with 2.5" tires or smaller)
Tire Clearance 29+ is 29 x 3.0? (with fenders); 27.5+ is 27.5 x 3.0? (with fenders); Individual tire and rim combos affect tire clearance
Fork TIG-welded custom-butted 4130 CroMoly, non-suspension corrected, 1-1/8? steerer tube, 203mm disc brake clearance
Thru Axle HU0134 Surly 12x142/148 Rear Thru Axle

Colour Beige 

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