Velopedia Bicycle Archive
Surly Skid Loader - Bathwater Gray
Original specifications: 27.5" wheels · geometry for 3 published sizes.
Selling this bike? Create a shareable bike record
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"
Frameset
| Frame Construction | Surly Skid Loader - 100% Surly Chromoly Steel, Natch tubing, double-butted main traingle, TIG welded, E.D. coated |
|---|---|
| Frame Material | Steel |
| Fork | Surly Dinner Fork - 100% Surly Chromoly Steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated |
| Fork Material | Steel |
Drivetrain
| 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 |
Brakes
| Brakes | Brake Calipers: Tektro 4-piston M745; Brake Levers: Tektro M745; Rotors: Tektro 6-bolt 180 mm |
|---|
Cockpit & Contact Points
| Headset | Cane Creek ViscoSet/40 series |
|---|---|
| Handlebar | Surly Terminal Bar |
| Stem | Kalloy 4-bolt 31.8 mm clamp |
| Saddle | WTB Volt |
| Seatpost | Trans-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 |
|---|---|
| Rims | WTB i35 27.5 HTZ, 36h |
| Spokes | Stainless 14g |
| Front Tire | Surly ExtraTerrestrial 27.5 x 2.5", Tubeless Ready, 60tpi |
| Rear Tire | Surly ExtraTerrestrial 27.5 x 2.5", Tubeless Ready, 60tpi |
| Wheel Size | 27.5" |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements3 sizes · 16 measurements
| Measurement | Small | Medium | Large |
|---|---|---|---|
| Seat tube | 445 mm | 445 mm | 500 mm |
| Effective top tube | 560 mm | 595 mm | 630 mm |
| Head tube | 160 mm | 185 mm | 210 mm |
| Head-tube angle | 69° | 69° | 69° |
| Seat-tube angle | 72.5° | 72.5° | 72.5° |
| Chainstay / rear center | 530 mm | 530 mm | 530 mm |
| Wheelbase | 1153 mm | 1190 mm | 1226 mm |
| Bottom-bracket drop | 60 mm | 60 mm | 60 mm |
| Reach | 373 mm | 401 mm | 428 mm |
| Stack | 593 mm | 616 mm | 640 mm |
| Standover height | 709 mm | 743 mm | 780 mm |
| Fork offset / rake | 50 mm | 50 mm | 50 mm |
| Fork length / axle-to-crown | 420 mm | 420 mm | 420 mm |
| Crank length | 170 mm | 175 mm | 175 mm |
| Stem length | 60 mm | 70 mm | 70 mm |
| Handlebar width | 718 mm | 735 mm | 735 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts
More parts (4)
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.
Bike-specific inspection checklist 24 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: Surly Skid Loader - Bathwater Gray · Electric-assist · Published sizes: S, M, L
Frame and fork
Inspect the frame and fork →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
Drivetrain
Check drivetrain wear →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
Brakes
Inspect the brakes →Archived: Brakes: Brake Calipers: Tektro 4-piston M745; Brake Levers: Tektro M745; Rotors: Tektro 6-bolt 180 mm
Wheels and tires
Check wheels and tires →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
E-bike system
Check the battery and electronics →Archived: Surly Skid Loader - Bathwater Gray · electric-assist identification
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help preserve its real-world history by sharing your owner experience.
Share the details that would help another rider understand how this model fits, rides and holds up over time. Velopedia reviews every contribution before publication.
Already contributed? Send me a fresh private edit link
For privacy, Velopedia shows the same confirmation whether or not an experience exists.
Gallery8 images
Checking current listings…
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





