Tubing 100% Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded
Fork 4130 CroMoly steel. Lugged and brazed. Sloping crown, curved tapered legs
Rear dropouts Semi-horizontal dropouts with adjusters give you single-speed compatibility and wheel base adjustability. Our Gnot-rite spacing (132.5mm) allows you to run 130mm road hubs and 135mm MTB hubs
Brake compatibility Rim (linear pull or cantilever)
Braze-ons Rim brake pivots, threaded dropout eyelets (rack and fender), rear rack seatstay bosses, dual water bottle mounts, downtube shifter bosses
Seatpost diameter 27.2mm
Seatpost clamp diameter 30.0mm, Surly stainless, included
Headset 1-1/8″ threadless
Front derailleur 28.6mm. Bottom pull.
Bottom bracket 68mm wide, standard English threaded (1.37″ x 24t)
Tire clearance Room for tires up to 700c x 45mm. Go a bit smaller for fender clearance.
Chainring clearance Manipulated stays mean you can fit the size rings you want. Go nuts
Weight 56cm = 4.88 lbs (2.2 kg) Fork – uncut = 2.19 lbs (.99 kg)
Model Size | ST (C-T) | TT (C-C) | TT (Effec.) | HT Angle | ST Angle | BB Drop | CS Length | Wheel Base | S.O. Height | HT Length | FK Length | FK Rake |
---|---|---|---|---|---|---|---|---|---|---|---|---|
inch(mm) | inch(mm) | inch(mm) | degree | degree | inch(mm) | inch(mm) | inch(mm) | inch(mm) | inch(mm) | inch(mm) | inch(mm) | |
42 cm | 16.5(420.0) | 19.9(505.0) | 20.6(522.0) | 72.0° | 75.0° | 2.6(66.0) | 16.5(420.0) | 39.0(989.9) | 28.8(731.9) | 3.6(91.0) | 15.7(400.0) | 1.7(44.0) |
46 cm | 18.1(460.0) | 20.3(515.0) | 20.8(528.8) | 72.0° | 74.5° | 2.6(66.0) | 16.5(420.0) | 39.1(991.9) | 29.6(750.7) | 3.6(91.0) | 15.7(400.0) | 1.7(44.0) |
50 cm | 19.7(500.0) | 21.1(535.0) | 21.3(541.8) | 72.0° | 74.0° | 2.6(66.0) | 16.7(425.0) | 39.6(1005.3) | 30.3(769.4) | 3.6(91.0) | 15.7(400.0) | 1.7(44.0) |
52 cm | 20.5(520.0) | 21.5(545.0) | 21.5(547.1) | 72.0° | 73.5° | 2.6(66.0) | 16.7(425.0) | 39.6(1006.0) | 30.6(778.4) | 3.6(91.0) | 15.7(400.0) | 1.7(44.0) |
54 cm | 21.3(540.0) | 22.0(560.0) | 22.0(560.0) | 72.0° | 73.0° | 2.6(66.0) | 16.7(425.0) | 39.9(1014.4) | 31.2(793.0) | 4.0(102.0) | 15.7(400.0) | 1.7(44.0) |
56 cm | 22.0(560.0) | 22.4(570.0) | 22.4(570.0) | 72.0° | 72.5° | 2.6(66.0) | 16.7(425.0) | 40.1(1019.8) | 31.9(810.7) | 4.8(121.0) | 15.7(400.0) | 1.7(44.0) |
58 cm | 22.8(580.0) | 22.8(580.0) | 22.8(580.0) | 72.0° | 72.5° | 2.6(66.0) | 16.7(425.0) | 40.6(1030.0) | 32.7(829.9) | 5.6(141.0) | 15.7(400.0) | 1.7(44.0) |
60 cm | 23.6(600.0) | 23.6(600.0) | 23.6(600.0) | 72.0° | 72.0° | 2.6(66.0) | 16.7(425.0) | 41.1(1044.8) | 33.4(847.4) | 6.3(160.0) | 15.7(400.0) | 1.7(44.0) |
62 cm | 24.4(620.0) | 24.0(610.1) | 24.0(610.1) | 72.0° | 72.0° | 2.6(66.0) | 16.7(425.0) | 41.5(1054.7) | 34.1(866.2) | 7.1(180.0) | 15.7(400.0) | 1.7(44.0) |