Tubing 100% Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded
Rear dropouts Vertical, 135mm O.L.D.
Brake compatibility 51mm disc calipers (160mm rotor only)
Braze-ons/extras Upper bosses and dropout eyelets for racks front and rear, fender eyelets, pump peg, downtube lever bosses, three sets of H2O cage bosses, housing stops for brake and derailleurs, emergency spoke mounts
Seatpost diameter 27.2mm
Seatpost clamp diameter 30.0mm (Surly stainless included)
Headset/Steertube 1 1/8″ threadless
Front Derailleur Clamp Diameter 28.6mm (bottom-pull)
Bottom bracket shell 68mm wide, threaded standard English (1.37 x 24t)
Chainring clearance 42/53t double, 38/52/56t triple
Tire Clearance 26 : 2.1 with or without fenders; 700c: 42mm with fenders, 45mm without fenders Individual tire and rim combos affect tire clearance
Fork 4130 CroMoly, lugged and brazed. Proprietary sloping crown with threaded eyelets, tapered and butted curved blades with mid-blade rack eyelets, dual dropout eyelets
Model Size | ST (C-T) | TT (C-C) | TT (Effec.) | ST Angle | HT Angle | HT Length | BB Drop |
---|---|---|---|---|---|---|---|
inch(mm) | inch(mm) | inch(mm) | degree | degree | inch(mm) | inch(mm) | |
42 cm (26") | 16.5(420.0) | 19.4(492.7) | 19.9(505.0) | 75.0° | 70.0° | 4.4(110.7) | 1.9(47.0) |
46 cm (26") | 18.1(460.0) | 20.0(508.4) | 20.3(515.0) | 74.5° | 70.0° | 4.6(116.7) | 1.9(47.0) |
50 cm (26") | 19.7(500.0) | 20.7(525.4) | 20.9(530.0) | 74.0° | 71.0° | 5.7(144.0) | 1.9(47.0) |
52 cm (26") | 20.5(520.0) | 21.1(535.0) | 21.3(540.0) | 73.5° | 71.0° | 6.4(163.0) | 1.9(47.0) |
54 cm (26") | 21.3(540.0) | 21.6(549.7) | 21.9(555.0) | 73.0° | 71.0° | 7.2(182.0) | 1.9(47.0) |
56 cm (26") | 22.0(560.0) | 22.2(564.5) | 22.4(570.0) | 73.0° | 71.0° | 8.0(203.0) | 1.9(47.0) |
58 cm (26") | 22.8(580.0) | 22.8(580.3) | 23.1(586.0) | 72.5° | 71.0° | 8.7(222.0) | 1.9(47.0) |
60 cm (26") | 23.6(600.0) | 23.4(594.8) | 23.6(600.0) | 72.5° | 71.5° | 9.4(238.0) | 1.9(47.0) |
62 cm (26") | 24.4(620.0) | 23.8(603.8) | 24.0(610.0) | 72.0° | 71.5° | 10.2(259.0) | 1.9(47.0) |
56 cm (700c) | 22.0(560.0) | 22.2(564.5) | 22.4(570.0) | 73.0° | 72.0° | 5.6(152.0) | 3.1(78.0) |
58 cm (700c) | 22.8(580.0) | 22.8(580.2) | 23.1(586.0) | 72.5° | 72.0° | 6.7(171.0) | 3.1(78.0) |
60 cm (700c) | 23.6(600.0) | 23.4(594.8) | 23.6(600.0) | 72.5° | 72.0° | 7.4(189.0) | 3.1(78.0) |
62 cm (700c) | 24.4(620.0) | 23.8(603.9) | 24.0(610.0) | 72.0° | 72.0° | 8.26(210.0) | 3.1(78.0) |
64 cm (700c) | 25.2(640.0) | 24.21(615.0) | 24.4(620.0) | 72.0° | 72.0° | 8.9(226.0) | 3.1(78.0) |
Model Size | CS Length | FK Length (A-C) | FK Offset | Wheel Base | S.O. Height | Stack | Reach |
inch(mm) | inch(mm) | inch(mm) | inch(mm) | inch(mm) | inch(mm) | inch(mm) | |
42 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 40.8(1036.6) | 27.7(702.1) | 19.6(497.2) | 14.5(367.2) |
46 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 41.1(1042.7) | 28.5(723.2) | 19.8(502.9) | 14.6(371.3) |
50 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 41.2(1046.8) | 29.8(756.1) | 21.0(532.3) | 14.7(374.5) |
52 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 41.5(1053.1) | 30.5(774.5) | 21.7(550.3) | 14.7(374.6) |
54 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 41.9(1064.0) | 31.2(792.4) | 22.4(568.3) | 14.9(379.4) |
56 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 42.5(1079.8) | 32.0(811.9) | 23.2(588.1) | 15.3(388.3) |
58 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 43.0(1091.2) | 32.7(829.7) | 23.9(606.1) | 15.5(393.5) |
60 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 43.3(1100.4) | 33.4(847.9) | 24.5(623.3) | 15.8(402.5) |
62 cm (26") | 18.1(460.0) | 14.8(376.0) | 1.8(45.0) | 43.5(1105.1) | 34.1(866.6) | 25.5(643.2) | 15.8(400.5) |
56 cm (700c) | 18.1(460.0) | 15.4(390.0) | 1.8(45.0) | 41.6(1055.6) | 32.0(811.9) | 23.1(588.0) | 15.3(389.3) |
58 cm (700c) | 18.1(460.0) | 15.4(390.0) | 1.8(45.0) | 42.0(1066.7) | 32.7(829.8) | 23.9(606.1) | 15.5(394.4) |
60 cm (700c) | 18.1(460.0) | 15.4(390.0) | 1.8(45.0) | 42.6(1080.8) | 33.5(847.8) | 24.5(623.2) | 15.9(403.0) |
62 cm (700c) | 18.1(460.0) | 15.4(390.0) | 1.8(45.0) | 42.7(1085.3) | 34.1(866.5) | 25.3(643.2) | 15.8(401.0) |
64 cm (700c) | 18.1(460.0) | 15.4(390.0) | 1.8(45.0) | 43.1(1095.3) | 34.8(883.6) | 25.9(658.4) | 16.0(406.1) |