Surly Disc Trucker Frame Set – Grandpa’s Khakis
Description
The Surly Disc Trucker 700c / 26"-650b frameset is a durable touring bike frame made from 4130 chromoly steel, designed for touring, commuting and light gravel riding. Featuring flat-mount disc brake mounts, 12 mm thru-axles, generous tyre clearance up to 700c × 47 mm and numerous mounting points for pannier racks, bottle cages and mudguards, it offers maximum versatility and stability over long distances. Perfect for heavy loads, round-the-world trips and reliable handling on any surface.
Sizes: 50, 52 – 26" / 650" wheels
Specification:
Frame Specification
Wheel/tyre sizes
– 26" × 2.0" (650b)
Frame construction
– 4130 chromoly steel
– Natch tubing
– Double-butted main frame triangle
– TIG-welded
– E.D. coated
Fork construction
– 4130 chromoly steel
– Natch tubing
– Double-butted, tapered fork legs
– Brazed dropouts
– E.D. coated
Rigid fork length
– 26": 376 mm
– 700c: 390 mm
Fork offset
– 45 mm (26" & 700c)
Axle-to-crown
– 26": 376 mm
– 700c: 390 mm
Rear triangle
– 12 × 142 mm (including thru-axle)
– Axle dimensions: Ø12 × 162 mm, TP 1.5, TL 12
Front wheel mount
– 12 × 100 mm (including thru-axle)
– Axle dimension: Ø12 × 118.5 mm, TP 1.5, TL 12
Brake mount
– Flat Mount
– 140/160 mm rotor (max. 180 mm)
– 25 mm mount
Headset
– Top: EC34/28.6
– Bottom: EC34/30
Steerer tube
– Ø28.6 mm (1 1/8")
– Crown race Ø30 mm
Stem clamp
– Ø28.6 mm (1 1/8")
Seat post
– Ø27.2 mm
– Dropper post compatible: No
Saddle clamp
– Ø30 mm
Front derailleur
– Bottom-pull
– Ø28.6 mm clamp
Bottom bracket
– 68 mm BSA (1.37" × 24 TPI)
Chainring capacity
– 1x Road: max. 47T
– 2x Road: 34/50T
– 3x Road: 33/47/56T
Accessory mounting points
– Spoke holders on the seat stays
– Removable Surly kickstand plate (on complete bikes)
Bottle cage eyelets
– 3 standard
Fork mounting points
– 2 Three-Pack mounts
– Luggage rack eyelets: top, bottom, mid-blade
Mudguard mounts
– Front: Yes
– Rear: Yes