Surly Bike Size Chart
Size chart and fit guide for 2026
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Surly builds steel bikes designed for real-world riding-loaded touring, daily commuting, gravel adventures, and everything in between. Their sizing prioritizes versatility and comfort over race performance, with generous tire clearance and mounting options on every frame. Surly uses numeric frame sizing (measured center-to-top of seat tube) and designs each size to accommodate a wide range of rider proportions when paired with the right stem and seatpost configuration.
Surly Size Charts by Category
Surly Gravel Bike Size Chart
| Size | Height Range | Inseam Range |
|---|---|---|
46 | 4'12" - 5'4"(152 - 163 cm) | 27.2" - 29.5"(69 - 75 cm) |
50 | 5'3" - 5'7"(161 - 170 cm) | 29.1" - 31.1"(74 - 79 cm) |
54 | 5'6" - 5'10"(168 - 178 cm) | 30.7" - 32.7"(78 - 83 cm) |
56 | 5'9" - 6'1"(175 - 185 cm) | 32.3" - 34.3"(82 - 87 cm) |
58 | 6'0" - 6'4"(183 - 193 cm) | 33.9" - 35.8"(86 - 91 cm) |
62 | 6'3" - 6'7"(190 - 200 cm) | 35.4" - 37.4"(90 - 95 cm) |
Surly Hybrid Bike Size Chart
| Size | Height Range | Inseam Range |
|---|---|---|
XS | 4'12" - 5'4"(152 - 163 cm) | 27.2" - 29.5"(69 - 75 cm) |
S | 5'3" - 5'7"(161 - 170 cm) | 29.1" - 31.1"(74 - 79 cm) |
M | 5'6" - 5'10"(168 - 178 cm) | 30.7" - 32.7"(78 - 83 cm) |
L | 5'9" - 6'2"(175 - 188 cm) | 32.3" - 34.6"(82 - 88 cm) |
XL | 6'1" - 6'6"(186 - 198 cm) | 34.3" - 36.6"(87 - 93 cm) |
Surly Mountain Bike Size Chart
| Size | Height Range | Inseam Range |
|---|---|---|
S | 5'2" - 5'7"(157 - 170 cm) | 28.3" - 30.7"(72 - 78 cm) |
M | 5'6" - 5'11"(168 - 180 cm) | 30.3" - 32.7"(77 - 83 cm) |
L | 5'10" - 6'3"(178 - 190 cm) | 32.3" - 34.6"(82 - 88 cm) |
XL | 6'2" - 6'7"(188 - 200 cm) | 34.3" - 37.0"(87 - 94 cm) |
Surly Cargo Bike Size Chart
| Size | Height Range | Inseam Range |
|---|---|---|
S | 5'4" - 5'8"(163 - 173 cm) | 29.1" - 31.5"(74 - 80 cm) |
M | 5'8" - 5'11"(173 - 180 cm) | 31.1" - 33.1"(79 - 84 cm) |
L | 5'11" - 6'2"(180 - 188 cm) | 32.7" - 35.0"(83 - 89 cm) |
XL | 6'2" - 6'5"(188 - 196 cm) | 34.6" - 37.0"(88 - 94 cm) |
Popular Surly Models & Sizing Notes
Specific sizing recommendations for Surly's most popular bike models. Geometry measurements shown for reference size (typically M or 54cm).
Surly Straggler
🏔️ Gravel Bike • 2025Steel gravel/commuter bike with drop bars and clearance for 700x41mm or 650bx47mm tires. Relaxed geometry suits both commuting and light touring-riders who prefer a more upright position should consider sizing up.
Surly Disc Trucker
🏔️ Gravel Bike • 2026Surly's steel touring bike, and the successor to the discontinued rim-brake Long Haul Trucker. Wheel size changes with frame size: 42-54 cm frames use 26" wheels and 56-64 cm frames use 700c, so pick the size before the wheel. The 2026 build moves to Shimano CUES 2x10 with hydraulic disc brakes and 12 mm thru-axles (12x100 front, 12x142 rear). Touring geometry keeps the rider upright with a high front end, so size on loaded riding position rather than unloaded feel - 20-30 kg of gear changes weight distribution significantly. Note the stack jump between the 46 and 50 cm frames is unusually large (520 mm to 561 mm), and the 50 cm reach is fractionally shorter than the 46 cm, so riders near that boundary should compare both sizes directly. A professional bike fit is strongly recommended before buying for extended tours.
Surly Bridge Club
🚲 Hybrid Bike • 2025Steel all-rounder with flat bars and clearance for 27.5x2.5-inch tires. Designed for everything from commuting to off-road touring-extremely versatile sizing suits riders who want one bike for multiple purposes.
Surly Karate Monkey
🚵 Mountain Bike • 2024Steel-framed 29er hardtail with sliding dropouts that accept singlespeed or geared drivetrains. Built for trail riding, bikepacking, and adventure setups. Sizes XS-XL fit riders 4'11" to 6'5". Tire clearance up to 29x2.5" or 27.5x3.0" plus.
Surly Sizing Tips
How to Measure
- • Height: Stand barefoot against a wall and measure from floor to top of head
- • Inseam: Stand barefoot with feet 6 inches apart, press a level book firmly upward, and measure from the floor to its top edge
- • Arm Reach: For road bikes, measure from shoulder to fingertips
When Between Sizes
- • Comfort priority: Choose the larger size
- • Performance priority: Choose the smaller size
- • Long torso: Size up for better reach
- • Long legs: Size down for better standover
Surly Sizing FAQ
Accessories for Surly bikes
Helmets, saddles, lights and locks that fit any Surly build.
Bell
Bell Nomad 2 MIPS
This ASIN is Small/Medium 52-57 cm. Check the selected Amazon size/color before checkout.
Avasta
AVASTA Kids Bicycle Saddle
Standard saddle rail spacing fits most kids' seatpost clamps. Designed primarily for 12-20" wheel kids' bikes; larger riders may prefer a wider adult saddle.
Bell
Bell Lumina 300 Headlight
Tool-free handlebar mount; check bar space around computers, bells, and baskets.
Abus
ABUS Granit X-Plus 540
Inner dimensions: 5.5" x 8" (14 x 20cm). Premium size for frame + wheel security. Heavy-duty for high-theft areas.
Bivo
Bivo Duo 25 oz Stainless Bottle
Fits most major cages, but the 77 mm maximum diameter is a touch larger than a standard plastic bottle. Check tight side-load cages on very small frames.
Giro
Giro Register MIPS
S 51-55 cm, M 55-59 cm, L 59-63 cm
Surly Comparisons & Guides
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