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ULTEGRA's FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms.An integral part of Shimano's 12-speed road lineup, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency. With refinements for seamless 12-speed shifting, the ULTEGRA crank is now offered in lengths from 160 to 175 mm, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanical requirements.FEATURESOptimal balance of stiffness, strength, weight and rotational performanceHOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shiftingTECHNOLOGIESHollow technology on outer chainringHigh rigidity hollow structure cuts down on weight yet maintains strength. Better power transfer and quicker and more precise front shifting.Hollow forged crank armsA lightweight crankset not only reduces the bike’s weight, but decreases rotating mass to aid in acceleration.The challenge is to reduce the weight of the crank without reducing its strength and rigidity.SHIMANO’s advanced forging technology has solved the problem through the HOLLOWTECH crank.Just like high quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very lightweight.HOLLOWTECH IIProviding the best balance of stiffness, strength, weight and rotating performanceThe concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider’s power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight, a key element of the crankset, you want light, aids in cycling longer distances over which the rider needs to pedal more. Naturally, SHIMANO strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer.The HOLLOWTECH II crankset has been developed by pursuing the optimum balance of stiffness & rotating performance in a lightweight and beautiful crankset design.High Precision SealingMoreover, HOLLOWTECH II crankset has a high-precision sealing in the bearing area to increase durability maintaining the excellent rotating performance for long periods.24 mm Diameter Axle And BearingsWhy choose the 24 mm axle and bearings for the HOLLOWTECH II crankset?The diameter of the Bottom Bracket axle and bearings was of primary importance for the development because the Bottom Bracket axle area is tied to such key elements as stiffness, strength, weight and rotating performance.What’s important is the total balance of cranksetIn addition, taking the crankset as a whole, the total balance of crankarm rigidity, axle stiffness, bearing position and others is essential.Indeed, the crankset is designed by careful consideration of the total balance of those elements to prevent breakage.Outboard BearingFor most frames with 68 mm Bottom Bracket shells, HOLLOWTECH II with 24 mm axle can set the bearing position outside of the frame to provide better weight distribution and more stability. Usage Bikesport: Road Made in: Malaysia Chain Gearing: 12 Number of teeth: 36T;52T Colour: Black Length (mm): 175.0 Material: Aluminium Weight (g): 700.0 Axle Standard: Hollowtech II Q-factor: 148.0 Type of Product: Cranks
Product Shimano Ultegra Crankset FC-R8100 175.0 36T-52T Crankset is assigned an EAN code 4550170893729.
Color | Black |
Material | Aluminium |
Category | Bicycles, Components |
EAN | 4550170893729 |
ULTEGRA's FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists
ULTEGRA's FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists
ULTEGRA's FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists
ULTEGRA's FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists
The SHIMANO ULTEGRA R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames. I Lightweight crankarm design optimized for power-transfer efficiencyMinimal weight without sacrificing stiffnessHOLLOWTECH
The redesigned SHIMANO 105 FC-R7000 crank balances weight and efficiency without sacrificing stiffness. Its wider gear pitch increases clearance with small gearings on modern 135 mm O.L.D. frames. | | Optimum power transfer | Balances weight and efficiency without sacrificing stiffness | Multiple
The SHIMANO TIAGRA FC-4700 crank balances weight and efficiency without sacrificing stiffness. It is offered in 52-36, 50-34T. | | | Optimum power transfer motivates riders to pedal further and faster | Optimal balance between stiffness and lightweight | Reinforced 4-arm construction | 110 PCD | Optimized
The SHIMANO TIAGRA FC-4700 crank balances weight and efficiency without sacrificing stiffness. It is offered in 52-36T chainring options. | | Optimum power transfer motivates riders to pedal further and faster | Optimal balance between stiffness and lightweight | Optimized gear shape for HG-X
DURA-ACE FC-R9200 crank, the heart of the bicycle, ensures that no portion of your pedal stroke is wasted. With hollow arms and chainrings, weight is kept to a minimum but stiffness and shifting precision is maximized.The DURA-ACE FC-R9200 crank performs two vital functions: transferring your
HOLLOWTECH II Crankset with 11-speed. Feature balances weight and efficiency without sacrificing stiffness. Rider Tuned performance with numerous gear combinations. Wider gear pitch increases chain clearance with small gearings and allows for 410 mm chain stays on 135 mm O.L.D. | Benefit: Optimum
The Shimano Tourney FC-TY501 Crankset is a versatile and reliable component designed to enhance the performance of your bicycle. Whether you're a casual rider, commuter, or entry-level mountain biker, this crankset is engineered to meet your needs.Versatile GearingThe 2x7/8-speed configuration
The SHIMANO FC-MT101-2 crank is designed for 2 x 9 speed MTB drivetrains. With HYPERDRIVE technology it provides smooth and precise shifting. | | Precise and reliable shifting | SG-X chainrings | Consistent off-road front shifting | | Chain Gearing: 9 | Mounting System: Riveted | Number of teeth: 22T;36T | Length
The SHIMANO ULTEGRA R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames. I Lightweight crankarm design optimized for power-transfer efficiencyMinimal weight without sacrificing stiffnessHOLLOWTECH
The SHIMANO ALIVIO FC-T4060 crank offers a wide 3 x 9 speed gearing range and uses an outboard. | | Compatible chain HG for 9-speed | Recommended BB_Threaded: SM-BB52 | Mounting System: 64 BCD;104 BCD | Axle Standard: Hollowtech II | Number of teeth: 36T;48T;26T | Made in: Malaysia | Length (mm):
The SHIMANO DEORE mountain bike crank delivers precise and reliable shifting for 2x11-speed drivetrains. This 2-piece crank offers a 36-26T gear combination and a 48.8 mm chainline. | Length (mm): 175.0 | Number of teeth: 26T;36T | Q-factor: 178.5 | Mounting System: 64 BCD;96 BCD | Made in: Malaysia | Type of
The SHIMANO bike crank delivers precise and reliable shifting for 7/8-speed drivetrains. | | Precise and reliable shifting | HG-X chainrings | For BBUN26 123 mm | Mounting System: Riveted | Material: Aluminium | Q-factor: 179.4 | Length (mm): 175.0 | Designed for Number of Chainring: 2 | Chain Gearing:
The SHIMANO DEORE 2 mountain bike crank delivers precise and reliable shifting for 2x10-speed drivetrains. 48.8 mm chainlinewithout center bearings | Designed for Number of Chainring: 2 | Number of teeth: 26T;36T | Chain Gearing: 10 | Q-factor: 178.5 | Mounting System: 96 BCD;64 BCD | Made in:
ULTEGRA R8000 cranks help you transform energy into speed. With significant weight reduction and optimized shape for more efficient power transmission. It provides a wide range of gear combinations to suit your needs. A beautifully shaped crank with a massive design is a masterpiece of this
Using the strongest HOLLOWTECH II construction, the SHIMANO SAINT FC-M820 features a steel axle and steel pedal inserts. The SHIMANO SAINT crank is the standard in gravity riding. Strongest HOLLOWTECH IIStrongest steel axle in our line-upSteel pedal insertLighter 4 arm Variety of specFC-M820 68 /
Front chainring type: DoubleChainring 52T-MT (for 52-36T)COMPATIBLE MODEL: FC-R8000COMPATIBLE SERIES: ULTEGRA R8000 Series | Designed for Number of Chainring: 2 | Length (mm): 1.0 | Chain Gearing: 11 | Mounting System: Asymmetric;110 BCD | Number of teeth: 52T | Made in: Japan | Type of Product: Chainring
Front chainring type: Double | Chainring 52T-MB (for 52-36T) | COMPATIBLE MODEL: FC-9000 | COMPATIBLE SERIES: DURA-ACE 9000 Series | Chain Gearing: 11 | Length (mm): 1.0 | Mounting System: 110 BCD;Asymmetric | Designed for Number of Chainring: 2 | Type of Product: Chainring | Number of teeth: 52T | Made in: Japan
Front chainring type: Double | Chainring 52T-MB (for 52-36T) | COMPATIBLE MODEL: FC-6800 | COMPATIBLE SERIES: ULTEGRA 6800 Series | Number of teeth: 52T | Made in: Japan | Type of Product: Chainring | Designed for Number of Chainring: 2 | Mounting System: 110 BCD;Asymmetric | Chain Gearing: 11
The SHIMANO DEORE XT FC-M8100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172 mm Q-factor. | | Superior chain retention | Special MTB gear teeth profile improves chain engagement and retention | DYNAMIC
The SHIMANO DEORE XT FC-M8100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172 mm Q-factor. | | Superior chain retention | Special MTB gear teeth profile improves chain engagement and retention | DYNAMIC