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Surly Skid Loader - Bathwater Gray

Original specifications: 27.5" wheels · geometry for 3 published sizes.

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At a glance

Model year
Not published by manufacturer
Category
City & Commuter
Original MSRP
$4,799.00
Sizes
S, M, L
Colors
Bathwater Gray
Geometry
3 manufacturer sizes
In this record
21 specifications · 8 archived images · original MSRP · geometry
Archive ID
900000568
Original buildSteel · 27.5"

Manufacturer catalog

Published sizes and colors

3 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SML

Published colors

Bathwater Gray

Frameset

Frame ConstructionSurly Skid Loader - 100% Surly Chromoly Steel, Natch tubing, double-butted main traingle, TIG welded, E.D. coated
Frame MaterialSteel
ForkSurly Dinner Fork - 100% Surly Chromoly Steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
Fork MaterialSteel

Drivetrain

ShiftersmicroSHIFT Advent X Pro
Rear DerailleurmicroSHIFT Advent X 10-speed
CranksetFSA Mega Arm set for Bosch, with FSA Mega Ring Steel, 38t
CassettemicroSHIFT Advent X H-Series 10-speed, 11-48t
ChainTAYA 10-speed

Brakes

BrakesBrake Calipers: Tektro 4-piston M745; Brake Levers: Tektro M745; Rotors: Tektro 6-bolt 180 mm

Cockpit & Contact Points

HeadsetCane Creek ViscoSet/40 series
HandlebarSurly Terminal Bar
StemKalloy 4-bolt 31.8 mm clamp
SaddleWTB Volt
SeatpostTrans-X Dropper Post, 120 mm/400 mm

Wheels & Tires

Hubs(F) Novatec thru-axle, 36h, 15 x 110mm / (R) Novatec HG spline cassette hub, sealed bearing, thru-axle, 36h, 12 x 148 mm
RimsWTB i35 27.5 HTZ, 36h
SpokesStainless 14g
Front TireSurly ExtraTerrestrial 27.5 x 2.5", Tubeless Ready, 60tpi
Rear TireSurly ExtraTerrestrial 27.5 x 2.5", Tubeless Ready, 60tpi
Wheel Size27.5"

Geometry

3 sizes · 16 measurements

Frame measurements by size.

All geometry measurements3 sizes · 16 measurements
MeasurementSmallMediumLarge
Seat tube445 mm445 mm500 mm
Effective top tube560 mm595 mm630 mm
Head tube160 mm185 mm210 mm
Head-tube angle69°69°69°
Seat-tube angle72.5°72.5°72.5°
Chainstay / rear center530 mm530 mm530 mm
Wheelbase1153 mm1190 mm1226 mm
Bottom-bracket drop60 mm60 mm60 mm
Reach373 mm401 mm428 mm
Stack593 mm616 mm640 mm
Standover height709 mm743 mm780 mm
Fork offset / rake50 mm50 mm50 mm
Fork length / axle-to-crown420 mm420 mm420 mm
Crank length170 mm175 mm175 mm
Stem length60 mm70 mm70 mm
Handlebar width718 mm735 mm735 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes38T · 11–48T · 10-speed
Lowest0.79:1 Highest3.45:1 Total range436%
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Parts & serviceability

Find replacement parts

Original specifications
Cassette · Original
microSHIFT Advent X H-Series 10-speed, 11-48t Search: microSHIFT Advent X H-Series 10-speed, 11-48t cassette
Saddle · Original
WTB Volt
Crankset · Original
FSA Mega Arm set for Bosch, with FSA Mega Ring Steel, 38t
More parts (4)
Rear derailleur · Original
microSHIFT Advent X 10-speed Search: microSHIFT Advent X 10-speed rear derailleur
Shifters · Original
microSHIFT Advent X Pro Search: microSHIFT ADVENT X 10-speed shifter
Headset · Original
Cane Creek ViscoSet/40 series
Rims · Original
WTB i35 27.5 HTZ, 36h

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.

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Bike-specific inspection checklist 24 checks based on 6 archived component groups Open checklistClose checklist
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Archived: Surly Skid Loader - Bathwater Gray · Electric-assist · Published sizes: S, M, L

Archived: Frame: Surly Skid Loader - 100% Surly Chromoly Steel, Natch tubing, double-butted main traingle, TIG welded, E.D. coated · Fork: Surly Dinner Fork - 100% Surly Chromoly Steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated · Steel

Archived: Shifters: microSHIFT Advent X Pro · Rear derailleur: microSHIFT Advent X 10-speed · Crankset: FSA Mega Arm set for Bosch, with FSA Mega Ring Steel, 38t · Cassette: microSHIFT Advent X H-Series 10-speed, 11-48t · Chain: TAYA 10-speed

Archived: Brakes: Brake Calipers: Tektro 4-piston M745; Brake Levers: Tektro M745; Rotors: Tektro 6-bolt 180 mm

Archived: Wheel size: 27.5" · Rims: WTB i35 27.5 HTZ, 36h · Hubs: (F) Novatec thru-axle, 36h, 15 x 110mm / (R) Novatec HG spline cassette hub, sealed bearing, thru-axle, 36h, 12 x 148 mm · Front tire: Surly ExtraTerrestrial 27.5 x 2.5", Tubeless Ready, 60tpi · Rear tire: Surly ExtraTerrestrial 27.5 x 2.5", Tubeless Ready, 60tpi

Controls and contact points

Archived: Headset: Cane Creek ViscoSet/40 series · Handlebar: Surly Terminal Bar · Stem: Kalloy 4-bolt 31.8 mm clamp · Seatpost: Trans-X Dropper Post, 120 mm/400 mm · Saddle: WTB Volt

Archived: Surly Skid Loader - Bathwater Gray · electric-assist identification

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Gallery8 images

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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