Shimano Ultegra FC-R8100 Crankset - 170mm | 52/36t
What Is the Shimano Ultegra FC-R8100 170mm Crankset and Is It Right for Your Build?
The FC-R8100 170mm is Shimano's standard road crank length in the current 12-speed Ultegra groupset, built on Hollowtech II hollow forged arm construction for a lightweight, stiff platform that matches Dura-Ace R9200 front shifting performance in all practical terms. The 170mm arm length is the most common road crank length and suits a wide range of rider heights, typically fitting cyclists from about 5'5" to 5'11" depending on individual biomechanics and fit preferences. The crankset is engineered specifically for the 12-speed drivetrain with revised Shimano 12-speed chainring profiles and spider geometry that optimize chain wrap and front shift precision with the FD-R8100 or FD-R8150 Di2 front derailleur and 12-speed chains. The 52/36t compact chainring configuration covers a versatile gear spread for road and mixed terrain use across the full R8101 cassette range.
The FC-R8100 uses a press-fit bottom bracket interface compatible with the SM-BBR60 threaded English bottom bracket or equivalent adapters depending on frame specification. The right crank integrates the chainring spider and outer chainring as a unified assembly, while the inner chainring mounts independently. This crankset is the default specification for most Shimano 12-speed Ultegra complete bike builds and is the correct replacement or upgrade crankset for riders building a new 12-speed drivetrain at the Ultegra tier. For anyone confirmed on 170mm crank length and upgrading to 12-speed Ultegra performance, the FC-R8100 170mm in 52/36t is the standard go-to spec.
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Shimano Ultegra FC-R8100 Crankset - 170mm | 52/36t
Shimano Ultegra FC-R8100 Crankset - 170mm | 52/36t
What Is the Shimano Ultegra FC-R8100 170mm Crankset and Is It Right for Your Build?
The FC-R8100 170mm is Shimano's standard road crank length in the current 12-speed Ultegra groupset, built on Hollowtech II hollow forged arm construction for a lightweight, stiff platform that matches Dura-Ace R9200 front shifting performance in all practical terms. The 170mm arm length is the most common road crank length and suits a wide range of rider heights, typically fitting cyclists from about 5'5" to 5'11" depending on individual biomechanics and fit preferences. The crankset is engineered specifically for the 12-speed drivetrain with revised Shimano 12-speed chainring profiles and spider geometry that optimize chain wrap and front shift precision with the FD-R8100 or FD-R8150 Di2 front derailleur and 12-speed chains. The 52/36t compact chainring configuration covers a versatile gear spread for road and mixed terrain use across the full R8101 cassette range.
The FC-R8100 uses a press-fit bottom bracket interface compatible with the SM-BBR60 threaded English bottom bracket or equivalent adapters depending on frame specification. The right crank integrates the chainring spider and outer chainring as a unified assembly, while the inner chainring mounts independently. This crankset is the default specification for most Shimano 12-speed Ultegra complete bike builds and is the correct replacement or upgrade crankset for riders building a new 12-speed drivetrain at the Ultegra tier. For anyone confirmed on 170mm crank length and upgrading to 12-speed Ultegra performance, the FC-R8100 170mm in 52/36t is the standard go-to spec.
Original: $328.99
-70%$328.99
$98.70Product Information
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Description
What Is the Shimano Ultegra FC-R8100 170mm Crankset and Is It Right for Your Build?
The FC-R8100 170mm is Shimano's standard road crank length in the current 12-speed Ultegra groupset, built on Hollowtech II hollow forged arm construction for a lightweight, stiff platform that matches Dura-Ace R9200 front shifting performance in all practical terms. The 170mm arm length is the most common road crank length and suits a wide range of rider heights, typically fitting cyclists from about 5'5" to 5'11" depending on individual biomechanics and fit preferences. The crankset is engineered specifically for the 12-speed drivetrain with revised Shimano 12-speed chainring profiles and spider geometry that optimize chain wrap and front shift precision with the FD-R8100 or FD-R8150 Di2 front derailleur and 12-speed chains. The 52/36t compact chainring configuration covers a versatile gear spread for road and mixed terrain use across the full R8101 cassette range.
The FC-R8100 uses a press-fit bottom bracket interface compatible with the SM-BBR60 threaded English bottom bracket or equivalent adapters depending on frame specification. The right crank integrates the chainring spider and outer chainring as a unified assembly, while the inner chainring mounts independently. This crankset is the default specification for most Shimano 12-speed Ultegra complete bike builds and is the correct replacement or upgrade crankset for riders building a new 12-speed drivetrain at the Ultegra tier. For anyone confirmed on 170mm crank length and upgrading to 12-speed Ultegra performance, the FC-R8100 170mm in 52/36t is the standard go-to spec.
