Our favorite frame of the last few years for building a versatile hardtail or a backpacking adventure bike !
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A perennial staff favorite for general trail riding and bikepacking, super versatile and super tough. 


Suspension corrected fork, compatible with dropper seat post, 44mm headtube, tyre clearance for 29” x 2.5” or 27.5” x 3”.  Throw whatever you have on this baby and she'll be able to Make. It. Work!!! (.....except for those rim brakes.....) 

See you on the dirty streets, Champ!


Head Tube Angle69.0°69.0°69.0°69.0°69.0°
Head Tube Length100100100110120
Seat Tube Length330368419470521
BB Drop5555555555
Chainstay Length423423423423423
Top Tube Length, Actual549.7560.4575597.5624.5
Top Tube Length, Effective560585610635660
Seat Tube Angle73.0°73.0°73.0°73.0°73.0°
Standover Height743759783812827
Crank Length170170175175175
Fork Length483483483483483
Fork Rake4747474747
Frame100% Surly Chromoly Steel, Surly stainless, 33.1mm seat clamp
Fork100% Surly Chromoly Steel 483mm axle-to-crown x 47mm offset, 110mm hub spacing, tapered and butted straight blade. 51mm I.S. disc mount
HeadsetCane Creek 15
Wheels110mm, Novatec, 32h, Thru-Axle, 148mm, Novatec, 32h, Thru-Axle, WTB ST i40 TCS
TyresSurly Dirt Wizard 27 x 3", 60 tpi, Tubeless Ready
BrakesTektro HD-M275, Tektro 180/160mm
ShiftersShimano Deore SL-M6100
DerailleursShimano Deore RD-M6100, 12-speed
CranksetShimano Deore FC-MT510-1, 30t
CassetteSunRace CSMZ800, 11-51t, 12-Speed, KMC X12, NP/BK
Bottom bracketShimano, included with crankset
HandlebarSalsa Rustler without logo, Velo - lock on grips
StemPromax 31.8
SeatpostPromax 30.9
Saddle WTB Volt 142