Surly Grappler Frame Set – Caramelised Copper
Description
The Surly Grappler in Caramelised Copper impresses with its warm, robust copper hue and subtle metallic finish. The new colour emphasises the frame’s adventure character and is ideal for gravel riding and bikepacking. Durable, eye-catching and perfect for riders looking for a distinctive bike.
Sizes: XS, S, M, L, XL
Please enquire about current availability
Compatible headset: Cane Creek
The Surly Grappler frameset is a specially developed trail bike for drop-bar enthusiasts – perfect for bikepacking, singletrack and fire roads.
Inspired by decades of creative customisation, the Grappler offers stable geometry and a comfortable handlebar position for challenging terrain and long rides.
Specifications:
Frame & Fork
• Frame material: 100 % Surly 4130 chromoly steel, Natch tubing
– Double-butted main frame
– TIG-welded
– Electrodeposition coating (E.D. Coating) for corrosion protection
• Fork material: 100 % Surly 4130 chromoly steel, Natch tubing
– Double-butted, tapered fork legs
– TIG-welded, E.D. coated
– Rigid fork, length: 420 mm
– Fork offset: 50 mm
– Axle-to-crown: 420 mm
🧩 Compatibility & Dimensions
• Designed for wheel size: 27.5 x 2.5"
• Alternative wheel size: 29 x 2.2"
• Tyre clearance:
– 27.5 x 2.8" with mudguards
– 27.5 x 3.0" without mudguards
– 29 x 2.1" with mudguards (front)
– 29 x 2.5" with mudguards (rear)
🔧 Axles & mounting dimensions
• Rear triangle: Gnot-Boost 145 mm
– 12 x 142 mm or 12 x 148 mm (Surly axle included)
– 10 x 135 mm with adapter (not included)
• Front axle: 15 x 110 mm (Surly axle included)
• Rear axle: 12 x 148 mm (Surly axle included)
⚙️ Component compatibility
• Head tube:
– Top: EC34/28.6
– Bottom: EC34/30
– Steerer tube: Ø28.6 mm
– Crown: Ø30 mm (1-1/8")
– Stem clamp: Ø28.6 mm
• Seatpost: Ø30.9 mm (dropper-compatible)
• Seat clamp: Ø33.1 mm
• Front derailleur: Ø34.9 mm High Direct Mount, top-pull
– Offset adapter required (not included)
• Bottom bracket: 73 mm BSA, threaded
• Chainring sizes (max.):
– 1x MTB: 36T
– 2x MTB: 36T/26T
– 1x Boost: 38T
– 2x Boost: 39/32T
🧳 Mounting points
• Bottle cage:
– 3-pack mounts top and bottom of the down tube
– Seat tube mounts (sizes S–XL)
• Fork mounts:
– 3-pack mounts on each fork leg
– Threaded eyelets for luggage racks at the top and bottom
• Mudguard mounts: available at the front and rear
