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2025 Surly Krampus Blue Oyster Coat Bike

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Surly
Where To Buy
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (contiguous U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.

Specifications

Product
Surly Krampus Blue Oyster Coat Bike
Model Year
2025
Intended Use
Cross Country
Trail
Rider
Unisex
Sizes and Geometry
SM
MD
LG
XL
View Full Geometry
Sizes Additional Info
All specifications listed are with 120mm travel fork with 498mm axle-to-crown length and 51mm offset
View Full Geometry
Wheel Size
29"
Frame Material
Chromoly
Steel
Frame Material Details
4130 chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, ED coated
Rear Travel
Hardtail
Rear Shock
None
Fork
RockShox 35 Gold RL, 51mm offset
Fork Travel
120mm
Head Tube Diameter
Straight, 44mm
Headset
Cane Creek, ZS44/28.6 upper, EC44/30 lower
Handlebar
Salsa Rustler, 31.8mm clamp diameter
Width: 750mm (SM), 800mm (MD-XL)
Stem
Promax, 31.8mm bar clamp
Length: 70mm (SM-LG), 80mm (XL)
Grips
Velo
Brakes
Tektro HD-M3520
Rotors: Tektro, 6-bolt, 180mm front, 160mm rear
Brake Levers
Tektro HD-M3520
Drivetrain
1x
Shifters
Shimano Deore XT M8100, 12-speed
Front Derailleur
None
Rear Derailleur
Shimano Deore XT M8100, 12-speed, SGS cage
ISCG Tabs
None
Chainguide
None
Cranks
Shimano MT511 Alloy
Length: 165mm (SM), 175mm (MD/LG), 175mm (XL)
Chainrings
Shimano MT511, 30 tooth
Bottom Bracket
Shimano MT501, 73mm English/BSA threaded
Pedals
None
Chain
KMC X12, 12-speed
Cassette
SunRace CSMZ800, 12-speed, 11-51 tooth
Rims
WTB ST i30 TCS 2.0 Alloy, 30mm inner width, 32 hole
Hubs
Novatec, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with HG driver
Spokes
14G
Tires
Surly Dirt Wizard, 60 TPI, tubeless ready, 29" x 2.6"
Saddle
WTB Volt
Seatpost
TranzX YSP15 dropper, 120mm drop
Seatpost Diameter
30.9mm
Seatpost Clamp
Surly, stainless steel, single bolt, 33.1mm
Rear Dropout / Hub Dimensions
12mm x 148mm (Boost), horizontal slotted with optional vertical dumpout
Compatible with 12mm x 142mm or 10mm x 135mm hubs via Surly Gnot-Boost dropouts
Max. Tire Size
29" x 3.0"
Bottle Cage Mounts
One inside front triangle (three-pack) plus one under down tube
Colors
Blue Oyster Coat
Warranty
3 years frame, 1 year Surly components
Weight
34 lb 9 oz (15677 g)
Miscellaneous
• External cable routing with internal dropper post routing
• Compatible with 27.5+ wheels
• Rear fender and rack mounts
• Weight listed for size MD
Price
$2,699.00
More Info

Surly website

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Where To Buy
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (contiguous U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.
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