Velopedia Bicycle Archive
Surly Ogre - Orlok's Shadow
Original specifications: 29"; 27.5" wheels · 30 lb 1 oz. for Medium published weight · geometry for 4 published sizes.
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At a glance
- Model year
- Not published by manufacturer
- Category
- Touring
- Original MSRP
- $1,899.00
- Sizes
- S, M, L, XL
- Colors
- Orlok's Shadow
- Weight
- 30 lb 1 oz. for Medium
- Geometry
- 4 manufacturer sizes
- In this record
- 22 specifications · 3 archived images · original MSRP · geometry
- Archive ID
- 900000370
Original buildSteel · 29"; 27.5"
Frameset
| Frame Construction | 100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, TIG welded, E.D. coated |
|---|---|
| Frame Material | Steel |
| Fork | 100% Surly Chromoly Steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated |
| Fork Material | Steel |
Drivetrain
| Shifters | Shimano Deore M6100 |
|---|---|
| Rear Derailleur | Shimano Deore M6100 SGS |
| Crankset | Shimano MT511, 30T |
| Bottom Bracket | Shimano MT501 BSA |
| Cassette | Shimano Deore M6100, 10-51t, 12spd |
| Chain | KMC X12 EPT Anti-Rust |
Brakes
| Brakes | Brake Calipers: Tektro HD-M275 OR Tektro HD-M3120, 2 Piston; Brake Levers: Tektro HD-M275 OR Tektro HD-M3120; Rotors: Tektro 160/160, 6-Bolt |
|---|
Cockpit & Contact Points
| Headset | Cane Creek 40 |
|---|---|
| Handlebar | Salsa Bend |
| Stem | Promax DA-296 |
| Saddle | WTB Volt Medium |
| Seatpost | Promax SP-2016, 27.2 x 300mm |
Wheels & Tires
| Hubs | (F) Novatec QR 9 x 100mm, 32h, 6-Bolt / (R) Novatec TA 12 x 142mm, 32h, 6-Bolt |
|---|---|
| Rims | WTB ST i30 29", TCS 2.0, 32h |
| Spokes | 14g Black |
| Front Tire | Surly ExtraTerrestrial 29 x 2.5" 60tpi, Tubeless Ready (Slate wall). Tubes installed, WTB TCS sealant included. |
| Rear Tire | Surly ExtraTerrestrial 29 x 2.5" 60tpi, Tubeless Ready (Slate wall). Tubes installed, WTB TCS sealant included. |
| Wheel Size | 29"; 27.5" |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 17 measurements
| Measurement | Small | Medium | Large | X-Large |
|---|---|---|---|---|
| Seat tube | 406.4 mm | 457.2 mm | 508 mm | 558 mm |
| Effective top tube | 575 mm | 595 mm | 615 mm | 640 mm |
| Head tube | 110 mm | 120 mm | 130 mm | 150 mm |
| Head-tube angle | 71.5° | 72° | 72° | 72° |
| Seat-tube angle | 73° | 73° | 73° | 73° |
| Chainstay / rear center | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1049.4 mm | 1064.5 mm | 1084.6 mm | 1110 mm |
| Bottom-bracket drop | 68 mm | 68 mm | 68 mm | 68 mm |
| Bottom-bracket height | 311 mm | 311 mm | 311 mm | 311 mm |
| Reach | 395.5 mm | 410.5 mm | 427.6 mm | 447 mm |
| Stack | 592 mm | 603.4 mm | 613 mm | 632 mm |
| Standover height | 763.5 mm | 795.7 mm | 824.5 mm | 857.85 mm |
| Fork offset / rake | 45 mm | 45 mm | 45 mm | 45 mm |
| Fork length / axle-to-crown | 445 mm | 445 mm | 445 mm | 445 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 170 mm |
| Stem length | 70 mm | 80 mm | 90 mm | 100 mm |
| Handlebar width | 700 mm | 740 mm | 740 mm | 740 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

Shimano Deore 12 CS-M6100 Cassette Silver, 10-51T
10-51T

Maxxis Minion DHF 29in Tire Tanwall, Dual Compound/EXO, 29x2.5
Dual Compound/EXO, 29x2.5
Replacement option · verify fit
More parts (6)
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. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 20 checks based on 5 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 Ogre - Orlok's Shadow · Touring · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: 100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, TIG welded, E.D. coated · Fork: 100% Surly Chromoly Steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated · Steel
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Deore M6100 · Rear derailleur: Shimano Deore M6100 SGS · Crankset: Shimano MT511, 30T · Bottom bracket: Shimano MT501 BSA · Cassette: Shimano Deore M6100, 10-51t, 12spd · Chain: KMC X12 EPT Anti-Rust
Brakes
Inspect the brakes →Archived: Brakes: Brake Calipers: Tektro HD-M275 OR Tektro HD-M3120, 2 Piston; Brake Levers: Tektro HD-M275 OR Tektro HD-M3120; Rotors: Tektro 160/160, 6-Bolt
Wheels and tires
Check wheels and tires →Archived: Wheel size: 29"; 27.5" · Rims: WTB ST i30 29", TCS 2.0, 32h · Hubs: (F) Novatec QR 9 x 100mm, 32h, 6-Bolt / (R) Novatec TA 12 x 142mm, 32h, 6-Bolt · Front tire: Surly ExtraTerrestrial 29 x 2.5" 60tpi, Tubeless Ready (Slate wall). Tubes installed, WTB TCS sealant included. · Rear tire: Surly ExtraTerrestrial 29 x 2.5" 60tpi, Tubeless Ready (Slate wall). Tubes installed, WTB TCS sealant included.
Controls and contact points
Archived: Headset: Cane Creek 40 · Handlebar: Salsa Bend · Stem: Promax DA-296 · Seatpost: Promax SP-2016, 27.2 x 300mm · Saddle: WTB Volt Medium
Before and during the test ride
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Gallery3 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





