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This extraordinary hue is the ultimate chameleon, inspired by the depths of the ocean and the magic of legendary ninjas and mermaids.
Your ride will never be the same again.
At first glance, the Ninja Mermaid may appear almost black, cloaking Kev in a veil of mystery. But don't be fooled, for when the sun's golden rays dance upon the frame, a breathtaking transformation occurs. Suddenly, your Kevin of Steel glistens with an explosion of emerald green sparkles, shimmering like a treasure trove hidden beneath the waves. The iridescent sparkles reflect the sunlight like a thousand tiny mirrors, each casting its own spell, creating an ever-changing, dynamic visual symphony. You'll feel like you're gliding through an aquatic wonderland as you enter gravel paradise.
Ninja Mermaid is not just another paint finish; it's an experience that will transport you and your Kevin of Steel to a world of enchantment and adventure. Whether you're navigating urban jungles or tackling remote trails, this captivating hue will leave you and everyone you pass absolutely spellbound.
Ready for a slice of Kevin? Choose a steel frameset for your own project build or select from one of our battle tested complete bike options.
Italian Steel
The main frame triangle is comprised of Columbus Zona Italian-made double-butted tubing. Zona allows for the ideal compromise between weight, strength and life of the frame.
Two Bikes In One
The Ride 400 fork has clearance for wheel options based on your riding style. For example, Kevin can run either 700c wheels with 32–45 mm tyres, best suited for commuting, gravel, and cyclocross, or if you’re looking to tackle some rougher terrain with more traction, use 650b (27.5”) wheels fitted with 1.8–2.2” tyres*. Curve has the above wheel options in both carbon and aluminum available.
No Weird Flex
The custom 4130 steel yoke design allows Kevin to run some super wide gravel tyres in two wheel sizes, and also stiffens the BB area to avoid excessive frame flex under load.
Ready for Adventure
Our Ride 400 fork, originally titled GXR fork, was built to complement the Kevin of Steel and titanium GXR frameset. Featuring 3 x 12 mm M5 mounting points on each blade, the Ride 400 fork can accommodate anything from extra water bottles, our Rocket Pooches, or any other micro pannier or fork-specific bag.
There is ample room for bikepacking bags on all frameset sizes. To make sure current, prospective or custom bagging fits your frame size please see our Bagmaker Drawing page.
Want to Carry More?
With a range of different bike racks on the market, it is important to understand what products work with your Curve frame, and to mount them correctly. Before you do this yourself, we strongly recommend you get in touch with us regarding compatibility and best practices. Or we can install for you at Curve HQ.
Kevin of Steel Specifications
Frameset
Frame - Curve GXR - Columbus Zona & 4130 Chromoly
Fork - Ride 400 Carbon Fork
Headset - Curve 44 mm semi-internal
Thru-Axles - 12 x 100 Front, 12 x 142 Rear
Seat Clamp - Curve 29.8 Black Alloy
Other - Curve Cocky head badge, 6 x double cable guides (get in touch for optional triple cable guides for 2x setups), and spare derailleur hanger
Groupset Options
SRAM Rival-Eagle eTap AXS 1 x 12
Shifter/Levers - Rival AXS eTap 1x12 sp - LHR / RHF
Brakes - Rival D1 HRD Flat Mount Disc // CL Rotors 160 mm
Crank - Rival D1 DUB WIDE- 38t | XS-SM: 165 mm | M: 170 mm | LG–XL: 175 mm
Bottom Bracket - Curve T47 DUB 68 mm
Rear Derailleur - GX Eagle AXS Lunar 10-52t
Cassette - XG 1275 Eagle 10-52t 12 sp
Chain - GX Eagle 12 speed
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SRAM Apex-Rival-Eagle 1 x 12 Mechanical
Shifter/Levers - Apex 1x12 sp - LHR / RHF
Brakes - Apex Flat Mount Disc // CL Rotors 160 mm
Crank - Rival D1 DUB WIDE- 38t | XS-SM: 165 mm | M: 170 mm | LG–XL: 175 mm
Bottom Bracket - Curve T47 DUB 68 mm
Rear Derailleur - Apex Eagle 10-52t
Cassette - XG 1275 Eagle 10-52t 12 sp
Chain - GX Eagle 12 speed
Wheels
G4T 35 - 700C
Curve carbon all-road wheels:
- 21 mm internal, 28 mm external, 35 mm deep
- Hub: DT Swiss 350 24H Centre Lock
- Spokes & Nipples: Sapim CX Ray & Brass
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Dirt Hoops - 650B
Curve carbon off-road wheels:
- 25 mm internal, 35 mm external, 27 mm deep
- Hub: DT Swiss 350 28H Centre Lock
- Spokes & Nipples: Sapim CX Ray & Brass
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Grav AL - 650B or 700c
Curve alloy party wheels:
- 23 mm internal, 28 mm external, 23 mm deep
- Hub: DT Swiss 350 28H Centre Lock
- Spokes & Nipples: Sapim Sprint & Brass
Finishing Kit
Bars - Curve Walmer Bar
XS-MD: 46BP | L–XL: 50BP
Stem - Zipp Service Course +/- 6°
XS–S: 70 mm | M–L: 80 mm | XL: 90 mm
Seatpost - Zipp Service Course Zero Setback 27.2 mm
Saddle - Velo Saddle
Tyres - 700C: Goodyear Connector - 40 mm / 650B: Vittoria Mezcal III - 2.1
Bar Tape - Curve black anti-shock