Surly Bridge Club Squid Ink Frame Set

The Surly Bridge Club frame set is a versatile all-road and touring frame made from robust 4130 chromoly steel. Ideal for tarmac, gravel and easy trails – perfect for bikepacking, touring and everyday use. All the key mounting points for luggage racks, panniers and mudguards are provided.

Colour: Squid Ink – a deep, dark, almost black shade with a subtle blue-violet sheen. A sophisticated, understated ‘stealth’ look that suits any build.

Sizes: XS, L, XL

Delivery: December 2026

S, M sold out

Compatible headset: Ritchey or Cane Creek

Headset: EC34/28.6 top, EC34/30 bottom

Specification:

• Versatile all-road/touring frameset for road, gravel and off-road
• Sturdy 4130 chromoly steel, Natch Tubing, TIG-welded, E.D. coated
• Colour: Squid Ink
• Generous tyre clearance for 700c, 27.5" and 26"
• Gnot-Boost rear triangle (138 mm) – compatible with 10×135 mm and 10×141 mm
• Disc-brake specific, simple vertical dropouts
• Also available with assembly on request

Tyre clearance

Frame:

• 700c × 47 mm (with/without mudguards)
• 27.5 × 2.8" (2.6" with mudguards)
• 26 × 3.0" (2.8" with mudguards)

Fork:

• same travel as the frame

Frame & fork

• Frame: Surly Bridge Club – 4130 chromoly, double-butted, TIG-welded
• Fork: Surly Cocktail Fork – 4130 chromoly, double-butted, tapered fork legs
• Rigid fork length: 420 mm
• Offset: 45 mm

Standards & Dimensions

• Rear end: Gnot-Boost 138 mm
• Axles: 10×135 / 10×141 mm
• Rear brake: IS 51 mm, max. 180 mm rotor
• Front brake: IS 51 mm, max. 203 mm rotor
• Headset: EC34/28.6 top, EC34/30 bottom
• Seatpost: Ø27.2 mm
• Seat clamp: Ø30 mm
• Bottom bracket: 73 mm BSA, threaded
• Front derailleur: High Direct Mount, top-pull (Ø28.6 mm)

Mounting points

• Frame: 2–3 bottle cages depending on size
• Fork: 2× Four-Pack mounts
• Front and rear mudguard mounts
• Rack mounts on frame and fork

Weight

• Frame (MD): 8 lb 15 oz (with uncut steerer tube and seat post clamp)