Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Steel -
Groupset microSHIFT Advent -
Suspension Rigid -
Drivetrain 1 × 9 -
Brakes Mechanical Disc
Sizing
Recommended size guide.
SM
160cm - 177cm
MD
167cm - 182cm
LG
177cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
100% Surly Chromoly steel, Natch tubing, double-butted main triangle, TIG welded
Suspension Fork
100% Surly Chromoly steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
Drivetrain
Rear Derailleur
microSHIFT Advent 1x9 Speed, RD-M6195M
Front Derailleur
N/A
Shift Levers
microSHIFT Advent Trail 1x9 shifter, SL-M9195-R
Cassette
microSHIFT Advent 11-46t, 9-speed
Crank
Race Face, 32t
Bottom Bracket
Race Face BSA 24
Chain
KMC X10 10-Speed
Wheels
Front Hub
Novatec QR x 100, 36h
Rear Hub
Novatec QR x 135, 36h
Rims
OE, 38mm, 36h
Spokes
DT Swiss 2.0 Stainless
Tires
Surly ExtraTerrestrial Tire - 26 x 2.5", Tubeless, Folding, Black/Slate, 60tpi
Brakes
Brakes
Avid BB7 S MTN
Brake Levers
Avid FR-5
Cockpit
Stem
Kalloy 31.8
Handlebar
Surly Terminal Bar
Headset
Cane Creek 40 Series
Seat
Saddle
Selle Italia X-Base
Seatpost
Kalloy 30.9
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.393 mm | 1.39 mm | 1.403 mm |
| Bottom Bracket Height | 299 mm | 299 mm | 299 mm |
| Front Center | 650 | 682 mm | 708 mm |
| Rake | 43 mm | 43 mm | 43 mm |
| Trail | 70 mm | 70 mm | 70 mm |
| Stack | 571.1 mm | 599.3 mm | 627.4 mm |
| Reach | 409.9 mm | 431.1 mm | 447.2 mm |
| Top Tube Length | 590 mm | 620 mm | 645 mm |
| Seat Tube Angle | 72.5 ° | 72.5 ° | 72.5 ° |
| Seat Tube Length | 406 mm | 432 mm | 508 mm |
| Head Tube Angle | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 150 mm | 180 mm | 210 mm |
| Chainstay Length | 821 mm | 821 mm | 821 mm |
| Wheelbase | 1469 mm | 1500 mm | 1526 mm |
| Bottom Bracket Drop | 40 mm | 40 mm | 40 mm |
| Standover Height | 725 mm | 773 mm | 823 mm |
| Wheels | 26" | 26" | 26" |
| Rider Min Height | 160 cm | 167 cm | 177 cm |
| Rider Max Height | 177 cm | 182 cm | 195 cm |