Frame material
100% Surly Chromoly steel, Natch tubing, double-butted main triangle, TIG welded, E.D. coated
Fork material
100% Surly Chromoly steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
Seatpost clamp
Surly Stainless 30.0
Frame weight
7 lb 1 oz for Medium
Design wheel/tyre sizes
27.5 x 2.4"
Alternate wheel/tyre sizes
Frame clearance: 26 x 3.0" (26 x 2.8" with fenders) / 27.5 x 2.8" (27.5 x 2.6" with fenders) / 700c x 47 with or without fenders - Fork clearance: 26 x 3.0" (26 x 2.8" with fenders) / 27.5 x 2.8" (27.5 x 2.6" with fenders) / 700c x 47 with or without fenders
Rigid fork length
420mm
Fork offset
45mm
Axle to crown
420mm
Rear spacing
Gnot-Boost 138mm
Rear axle size
10 x 135mm or 10 x 141mm
Rear brake rotor
Disc - 51mm I.S. (180mm max rotor)
Front brake rotor
Disc - 51mm I.S. (203mm max rotor)
Headset upper
EC34/28.6
Headset lower
EC34/30
Front spacing
10 x 100mm
Steerer tube
Ø28.6mm (1-1/8")
Crown race
Ø30mm (1-1/8")
Stem clamp
Ø28.6mm (1-1/8")
Seatpost
Ø27.2mm
Dropper post compatible
No
Seatpost clamp diameter
Ø30mm
Front derailleur clamp
Ø28.6mm
Front derailleur type
High direct mount top-pull (Ø28.6mm) 26mm offset adapter for 135mm rear hub spacing 29mm offset adapter for 141mm rear hub spacing
Bottom bracket
73mm threaded (1.37" x 24TPI)
Crankset max ring
1x (Mtn): 34T / 2x (Mtn): 26/40T / 3x (Mtn): 22/36/44T / 1x (Boost): 40T / 2x (Boost): 32/42T
Bottle mounts
2 Three-Pack (XS) / 1 Standard + 2 Three-Pack (S - XL)
Fork mounts
2 Four-pack mounts
Front fender mounts
Yes
Rear fender mounts
Yes
Effective top tube (XS-XL)
545.0mm, 570.0mm, 595.0mm, 615.0mm, 630.0mm
Stand over (XS-XL)
709.0mm, 750.5mm, 780.0mm, 812.0mm, 845.5mm
Reach (XS-XL)
376.0mm, 397.0mm, 419.0mm, 434.5mm, 444.0mm
Stack (XS-XL)
553.0mm, 567.0mm, 576.0mm, 590.0mm, 609.0mm
Total seat tube length (XS-XL)
335.6mm, 406.4mm, 457.2mm, 508.0mm, 558.8mm
Headtube length (XS-XL)
110.0mm, 120.0mm, 130.0mm, 145.0mm, 165.0mm
Headtube angle
70.0 (XS), 71.0 (S-XL)
Seat tube angle
73.0
BB drop
60.0mm
Chainstay length
435.0mm
Wheelbase (XS-XL)
1032.0mm, 1047.5mm, 1073.0mm, 1093.0mm, 1109.0mm
Recommended rider height (XS-XL)
145-160cm, 155-170cm, 165-180cm, 175-191cm, 185-201cm