{"id":6604156731459,"title":"Shimano Ultegra FC-R8100 Crankset - 165mm, 12-Speed, 50\/34t, Hollowtech II Spindle Interface, Black","handle":"shimano-ultegra-fc-r8100-crankset-165mm-12-speed-50-34t-hollowtech-ii-spindle-interface-black","description":"\u003cdiv id=\"seqbpdescription\"\u003e\u003cp\u003eAn integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003e148mm Q-factor\u003c\/li\u003e\n\u003cli\u003e44.5mm chainline\u003c\/li\u003e\n\u003cli\u003eOptimal balance of stiffness, strength, weight and rotational performance\u003c\/li\u003e\n\u003cli\u003eHollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpspecs\"\u003e\u003ctable cellspacing=\"0\"\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eItem Specifications\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB Included\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainline\/Hub Compatibility\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e130 Hubs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainring BCD\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e110 Shimano Asymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank Intended Use\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eRoad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank Length (mm)\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e165\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefined Color\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain Speeds\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Chainrings\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eDouble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePedal Spindle\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRings\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e50\/34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle Interface Type\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eShimano Hollowtech II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e","published_at":"2021-10-07T17:07:22-04:00","created_at":"2021-10-07T16:22:55-04:00","vendor":"Shimano","type":"_Components_Drivetrain_Cranks_Cranksets_","tags":["Activty_","Brand_Shimano","Color_Black","Country\/Region of Manufacture_","Features_","Material_","SALE_","Size Type_","Size_","Type_"],"price":31499,"price_min":31499,"price_max":31499,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":39593282797635,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CKST2131","requires_shipping":true,"taxable":true,"featured_image":{"id":28699531837507,"product_id":6604156731459,"position":1,"created_at":"2021-10-07T16:53:32-04:00","updated_at":"2021-10-07T16:53:34-04:00","alt":"Shimano Ultegra FC-R8100 Crankset - 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With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003e148mm Q-factor\u003c\/li\u003e\n\u003cli\u003e44.5mm chainline\u003c\/li\u003e\n\u003cli\u003eOptimal balance of stiffness, strength, weight and rotational performance\u003c\/li\u003e\n\u003cli\u003eHollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpspecs\"\u003e\u003ctable cellspacing=\"0\"\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eItem Specifications\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB Included\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainline\/Hub Compatibility\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e130 Hubs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainring BCD\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e110 Shimano Asymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank Intended Use\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eRoad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank Length (mm)\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e165\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefined Color\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain Speeds\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Chainrings\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eDouble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePedal Spindle\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRings\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003e50\/34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle Interface Type\u003c\/td\u003e\n\u003ctd class=\"seqbpdata\"\u003eShimano Hollowtech II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e"}

Shimano Ultegra FC-R8100 Crankset - 165mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black

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Product Description

An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.

  • 148mm Q-factor
  • 44.5mm chainline
  • Optimal balance of stiffness, strength, weight and rotational performance
  • Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
Item Specifications
BB Included No
Chainline/Hub Compatibility 130 Hubs
Chainring BCD 110 Shimano Asymmetric
Color Black
Crank Intended Use Road
Crank Length (mm) 165
Defined Color Black
Drivetrain Speeds 12
Number of Chainrings Double
Pedal Spindle 9/16"
Rings 50/34
Spindle Interface Type Shimano Hollowtech II
Sku:
Brand: Shimano
CKST2131