Surly ECR Reviews


Surly ECR

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Attention bike camp/exploration nerds! Are you sitting down? Behold ECR. ECR is a sure-footed, multi-terrain, offroad-obsessed 29 camp bike. It's something of a lovechild borne of our Krampus, Ogre and Long Haul Trucker.

Like the Ogre, ECR can run racks, fenders and disc brakes simultaneously, front and rear. It's compatible with singlespeed, full derailleur and IGH drivetrains (it even features a dedicated Rohloff torque arm mount) because the rear dropouts are just like those on our Ogre and Troll frames. Run what you like. ECR has multiple mounts on the frame and fork for water bottle cages and larger gear cages, so you can bring lots of water, stove fuel, milk, a sleeping pad, small mammals or what have you.

It takes standard 34mm headsets and regular mountain bike hubs (100mm front and 135mm rear). It's designed for full length housing to keep out the elements and keep brakes braking and shifters shifting on long treks in rough conditions. The rigid fork can be swapped out for an 80mm suspension fork if you like, but this would mean you'd lose the extra carrying capacity of the stock fork, and you couldn't run a 3" tire and 50mm rim.

That last point is something to seriously ponder. ECR is of the 29 category, a name we made up when we introduced the Krampus. 29 means more width, more height, more traction, more cushion and more float than standard 29ers. The approach angle of such big tires (close to 31˝) combined with the extra traction and float of high volume, low weight rubber make this bike extremely capable of going lots of places, from roads to trails to little-traveled back country. While the ECR borrows from Ogre, Krampus and even the Long Haul Trucker, its ride quality and capabilities are unique. It's a pack mule, a pedal-powered escape pod. Wherever you want to explore, this is the bike that can get you there.


FrameSurly ECR, 100% Surly 4130 CroMoly steel. ED coated. Double-butted main triangle. TIG-welded

ForkSurly ECR, TIG-welded custom-butted 4130 CroMoly, 80mm suspension corrected, 1-1/8˝ steerer tube, 203mm disc brake clearance

Seatpost clampSurly Stainless, 30.0mm (Surly stainless included)


CranksetSurly O.D., 36/22t

Bottom BracketSurly Enduro, black

Front DerailleurShimano SLX FD-M676D, Problem Solvers direct mount adaptor

Rear DerailleurShimano Deore RD-M591, 9-speed

Cog or CassetteShimano HG61-9, 9-speed. 12-14-16-18-21-24-28-32-36t

ChainKMC X9, Silver


HeadsetCane Creek, 40 series

BrakesAvid BB7 , HS rotors. 180/160 front & rear

Brake LeversAvid FR-5, Black

ShiftersMicroshift SL-T09, 9-speed

StemKalloy AS-025N, 31.8, 4-bolt, black

HandlebarJones Loop, 710mm. Anodized. Black

SaddleVelo VL2155, Steel rail

SeatpostKalloy SP-342,

ExtrasVelo lock-on grips. Surly Stainless seatpost collar. 14g DT Swiss spokes. Features Rohloff torque arm slot and threaded eyelets for fenders, racks and Surly trailer mounts


Front HubSurly Ultra New Disc, 32h. 6-bolt disc. Black

Rear HubShimano FH-M529, 32h disc. Black

RimsSurly Rabbit Hole, 29

SpokesDT Swiss Comp, 2.0/1.8 Black spokes/Silver brass nipples

TiresSurly Knard 29x3, 27tpi

Frame Size Stem Length Stem Angle Handlebar Width Crank Length

xSmall 3.5 7.0 28.0 170.0

Small 3.9 7.0 28.0 170.0

Medium 3.9 7.0 28.0 175.0

Large 4.3 7.0 28.0 175.0

xLarge 4.7 7.0 28.0 175.0

xxLarge 5.1 7.0 28.0 180.0

Tubing100% Surly 4130 CroMoly steel. ED coated. Double-butted main triangle. TIG-welded

Rear DropoutsHorizontal slotted w/derailleur hanger, 135mm O.L.D. Troll dropouts, trailer mount

Brake Compatibility51mm I.S. disc calipers (Max rotor size 160mm rear, 203mm front)

Braze-ons/extrasTwo water bottle mounts on XS-M, three water bottle mounts on L-XXL, Surly Trip Guide full line guides for brake and derailleurs, fender and rack eyelets

Seatpost diameter27.2mm

Seatpost clamp diameter30.0mm (Surly stainless included)

Headset/Steertube1-1/8" threadless

Front Derailleur Clamp DiameterHigh direct-mount standard, clamp adapter included

Bottom bracket shell73mm shell width, threaded standard English (1.37" x 24t)

Chainring ClearanceTriple 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 Clearance29 x 3"

ForkTIG-welded custom-butted 4130 CroMoly, 80mm suspension corrected, 1-1/8" steerer tube, 203mm disc brake clearance

ColorMRE Green

Cargo Weight Limit50lbs with appropriate rack.

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