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Surly Bikes

BK0378

Surly ECR 29+

The item is not permitted to be shipped, however it can be purchased online and arrangements made to be picked up at our store location.

The ECR is Surly’s ultimate off-road touring machine. It has been re-designed specifically for 27.5+ or 29+ wheel platforms, and has been updated to include Surly’s Gnot-Boost rear hub spacing; compatible with Boost 148 x 12mm thru-axle, 142 x 12mm thru-axle and 135mm quick-release hubs.

  • Surly 4130 CroMoly steel, main triangle double-butted frame
  • TIG-welded, horizontal-slotted dropout with derailleur hanger, Surly Gnot-Boost spacing
  • Rohloff torque arm slot and threaded eyelets for fenders, racks and Surly trailer mounts
  • Full-length Surly Trip Guide housing line guides for derailleurs and brakes; two sets of Three Pack bosses
  • Frame is ED Coated for increased life expectancy
  • Tire clearance for 29 x 3" with fenders

Frameset

Frame Surly ECR, 100% Surly 4130 CroMoly steel.
Fork Surly ECR, TIG-welded custom-butted 4130 CroMoly, non-suspension corrected, 1-1/8˝ steerer tube, 203mm disc brake clearance
Seatpost Clamp Surly Stainless, 30.0mm (Surly stainless included)

Components

Headset Cane Creek, 40 series, 1-1/8"
Brakes Avid BB7, Centerline rotors. 180/160mm front & rear
Brake Levers Avid FR-5
Shifters SRAM NX Eagle
Stem ProMax 4 bolt, 31.8
Handlebar Surly Moloko
Grips Velo Lock-On
Saddle WTB Volt Sport
Seatpost Promax 27.2, 350L, Offset

Drivetrain

Crankset SRAM NX Eagle 30T
Bottom Bracket SRAM Powerspline 118/73
Front Derailleur None
Rear Derailleur SRAM NX Eagle
Cog or cogset SRAM Eagle 11-50T, 12 speed
Chain SRAM NX Eagle

Wheels

Front Hub OE 32h QR
Rear Hub OE 32h Thru axle
Rims WTB Scraper i40 TSC
Tires Surly Knard 29x3.0", 33TPI, Tubeless ready

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