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Jcob Speed and Comfort Carbon One Short Crankset - 155mm, 34/50T

$639.99
JCOB always been your short crankset source, and our Alloy Crankset has been the industry go-to unit. The Carbon One Crankset shares the same JCOB engineering and design, yet it is both lighter at 690 gram and stiffer than its alloy counterpart.

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Need a shorter than average crankarm length for fit, injury, comfort, or efficiency reasons? JCOB always been your short crankset source, and our Alloy Crankset has been the industry go-to unit. The Carbon One Crankset shares the same JCOB engineering and design, yet it is both lighter at 690 gram and stiffer than its alloy counterpart.

The Carbon One Crankset has a Shimano style spindle. It is easy to install and always delivers smooth, efficient performance. It’s available in compact and mid compact chainring configurations. All options are perfectly compatible with 10 or 11-speed drivetrains. We also offer BB Infinite bottom bracket options to ensure compatibility in any frame.

IMPORTANT NOTE:

Trek BB90 frames require the use of a BB Infinite BB90 bottom bracket with JCOB Cranks. Any use of another bottom bracket in a Trek BB90 frame with JCOB Cranks will void the warranty. Link to bottom bracket below:

Specs:

BRAND

Speed and Comfort

TOOTH COUNT

50/34t

CRANK LENGTHS (mm)

155

CHAINRING BOLT PATTERNS Alloy one piece 7075 CNC
CHAINRING SIZES 34/50(Compact), 36/52(Mid-Compact), 39/53(Standard) 
   
CRANK SPINDLE ROAD Shimano 24/24 mm
DRIVETRAIN COMPATIBLE SHIMANO 10/11, SRAM 10/11, CAMPY 10/11
MATERIAL FORGED ALLOY
CHAINLINE 42 TO INNER CHAINRING
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