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2026 Kellys

URC 50, ARCTIC SKY

A carbon frame race bike with upper mid-range components and shimano 105 hydraulic disc brakes.
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Manufacturer Price

€2,599($3,024)
Weight19.8 lbs  
FrameCarbon
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12
Groupset105
BrakesShimano 105 Hydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

URC 50, ARCTIC SKY

40 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

Rider Fit Notes

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Price History
Geometry
Specs
Build
Frame

KELLYS Carbon Aero Pro Disc / Power Core, 1.5" tapered HT ACR System, flat mount disc brake, internal routing / 12 mm thru axle

BB StandardBB86/BB92, Press Fit

Fork

KELLYS Carbon Disc / 1.5" tapered steerer, flat mount disc brake / 12 mm thru axle

Bottom Bracket

SHIMANO Press-Fit SM-BB71-41B

Stem

FSA NS ACR - diam 28.6 mm / bar bore 31.8 mm / 84° / length 80 mm (S), 90 mm (M), 100 mm (L)

Handlebar

FSA Energy Compact ACR - diam 31.8 mm / width 400 mm (S - M), 420 mm (L)

Saddle

SELLE ITALIA Novus Boost Evo Superflow

Seatpost

Carbon Aero - length 350 mm

TypeRigid

Grips

SELLE ITALIA Smart bar tape

Groupset
Rear Derailleur

SHIMANO 105 R7100 (direct mount)

Front Derailleur

SHIMANO 105 R7100 (braze on)

Crank

SHIMANO 105 R7100 Hollowtech II (50x34T) - length 172.5 mm (S - M), 175 mm (L)

Shifters

SHIMANO 105 ST-R7120 Dual Control

Cassette

SHIMANO CS-7100-12 (11-34T)

Chain

SHIMANO CN-M7100-12

Brakes

SHIMANO 105 R7170 Hydraulic Disc

TypeShimano 105 Hydraulic Disc

Brake Levers

SHIMANO 105 ST-R7120 Dual Control

Wheels
Rims

FULCRUM Racing 800 DB Disc Center Lock (12x100 mm / 12x142 mm)

Tires

SCHWALBE One Performance 30-622 (700x30C) RaceGuard, TLE, ADDIX

Disc Rotors

SHIMANO RT64, 140 mm front / 140 mm rear

Rider Notes
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First added April 26

Last updated May 30