Velopedia Bicycle Archive

Surly Wednesday - OG Algae

Mountain bicycle from the Velopedia specification archive.

Model year: Not published by manufacturer
Original MSRP: $1,849.00
Sizes: X-Small; Small; Medium; Large; X-Large
Colors: OG Algae
Weight: 36.1 lb for Medium
Geometry: 5 manufacturer sizes
Archive ID: 900000571
Catalog verified: August 14, 2026

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Frameset

Frame Construction	Surly Wednesday, 100% Surly 4130 Chromoly steel. 100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, TIG welded, E.D. coated
Frame Material	Steel
Fork	Surly Wednesday, 100% Surly 4130 Chromoly steel. 100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, TIG welded, E.D. coated
Fork Material	Steel

Drivetrain

Shifters	SRAM SX Eagle
Front Derailleur	N/A
Rear Derailleur	SRAM SX Eagle
Crankset	SRAM NX Eagle DUB, 30T
Bottom Bracket	SRAM DUB
Cassette	SRAM PG-1210 Eagle, 11-50t, 12spd
Chain	SRAM SX Eagle

Brakes

Brakes	Brake Calipers: Tektro HD-M275/276; Brake Levers: Tektro HD-M275/276; Rotors: Tektro 160/160, 6-bolt

Cockpit & Contact Points

Headset	Cane Creek
Stem	Promax, 31.8mm
Saddle	WTB Volt
Seatpost	Promax, 30.9mm, 0 offset

Wheels & Tires

Hubs	(F) Novatec 15 x 150mm, 32h, 6-bolt / (R) Novatec 12 x 177mm, 32h, 6-bolt
Rims	Surly My Other Brother Darryl
Spokes	14G Black
Front Tire	Surly Nate 26 x 3.8", 60tpi, tubeless ready
Rear Tire	Surly Nate 26 x 3.8", 60tpi, tubeless ready
Wheel Size	26"

Size-specific frame data

Geometry

5 sizes · 16 measurements

Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.

Measurement	X-Small	Small	Medium	Large	X-Large
Seat tube	316 mm	366 mm	416 mm	466 mm	516 mm
Effective top tube	570 mm	590 mm	610 mm	630 mm	650 mm
Head tube	95 mm	100 mm	110 mm	120 mm	130 mm
Head-tube angle	69°	69°	69°	69°	69°
Seat-tube angle	73.5°	73.5°	73.5°	73.5°	73.5°
Chainstay / rear center	435 mm	435 mm	435 mm	435 mm	435 mm
Wheelbase	1081 mm	1101 mm	1122 mm	1143 mm	1164 mm
Bottom-bracket drop	55 mm	55 mm	55 mm	55 mm	55 mm
Reach	400 mm	420 mm	436 mm	453 mm	471 mm
Stack	573 mm	578 mm	587 mm	597 mm	606 mm
Standover height	711 mm	737 mm	774 mm	807 mm	841 mm
Fork offset / rake	47 mm	47 mm	47 mm	47 mm	47 mm
Fork length / axle-to-crown	468 mm	468 mm	468 mm	468 mm	468 mm
Crank length	170 mm	170 mm	175 mm	175 mm	175 mm
Stem length	60 mm	60 mm	70 mm	70 mm	80 mm
Handlebar width	700 mm	700 mm	750 mm	750 mm	750 mm

Geometry source: Manufacturer HTML geometry table ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.