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  3. Chainset Road
  4. Hollowtech Ii
  5. Shimano Ultegra R8100
Shimano
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Product Information
Colour:
50/34T Grey
How to Buy

In-Store

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Online

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Delivery Information
Mainland UK delivery for standard orders when you spend £70
Delivery takes 2-3 working days

FREE

FREE reserve and collect
Available now: reserve online and collect today or tomorrow

FREE

FREE click and collect
Available now: pay online and collect in store within 5 working days

FREE

Mainland UK delivery for large orders when you spend £1,000
Delivery takes 2-3 working days

£30.00

Mainland UK delivery for large orders when you spend £300
Delivery takes 2-3 working days

£45.00

Mainland UK delivery for standard orders when you spend £70
Special order delivery typically takes 4-5 working days

FREE

Mainland UK delivery for large orders when you spend £1,000
Special order delivery typically takes 4-5 working days

£30.00

Mainland UK delivery for large orders when you spend £300
Special order delivery typically takes 4-5 working days

£45.00

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Select & Buy

Shimano Ultegra R8100 165MM 12SPD 50/34T Grey
Shimano Ultegra R8100 165MM 12SPD 50/34T Grey
MPN: FCR8100A04

Available

£299.00

Shimano Ultegra R8100 170MM 12SPD 50/34T Grey
Shimano Ultegra R8100 170MM 12SPD 50/34T Grey
MPN: FCR8100C04

Out of stock

£299.00

Description

  • THE HOLLOWTECH II 12-SPEED ULTEGRA CHAINSET OFFERS AN IDEAL BALANCE OF LIGHT WEIGHT AND STIFFNESS, MAKING IT THE PERFECT CHOICE FOR BOTH ENTHUSIAST AND COMPETITIVE RIDERS
  • HOLLOWGLIDE HOLLOW OUTER CHAINRING GIVES VAST IMPROVEMENTS IN RIGIDITY BY VIRTUALLY REMOVING OUTER CHAINRING FLEX AND HUGELY IMPROVES SHIFT PERFORMANCE, EVEN UNDER HIGH LOAD
  • THE CHAINRING TEETH HAVE BEEN DEVELOPED TO WORK IN CONJUNCTION WITH 12-SPEED HG CHAINS FOR INCREASED CONTACT TO PROVIDE GREATER EFFICIENCY AND IMPROVED POWER TRANSFER
  • INDUSTRY LEADING HOLLOWTECH II COLD FORGED 4 ARM HOLLOW CRANKS HAVE BEEN EVOLVED FOR MAXIMUM RIGIDITY WHILE REDUCING WEIGHT
  • WIDE GEAR PITCH SPACING INCREASES CLEARANCE BETWEEN CHAIN AND LEADING TEETH TO PROVIDE COMPATIBILITY TO FRAMES WITH O.L.D. 135 / 142 MM
  • A WIDE RANGE OF CHAINRING OPTIONS AND CRANK ARM LENGTHS ARE AVAILABLE TO MEET THE NEEDS OF ALL RIDERS AND RACING DISCIPLINES
  • HOLLOWTECH II INTEGRATED BOTTOM BRACKET USES A WIDER BEARING PLACEMENT AND LARGER AXLE DIAMETER FOR INCREASED STIFFNESS AND EFFICIENCY
  • HOLLOWTECH II INTEGRATED BOTTOM BRACKET SEAL DESIGN HAS MINIMAL BEARING INTERFACE ENSURING SMOOTH ROLLING AND INCREASED DURABILITY(SOLD SEPARATELY)

Specification

Miscellaneous
Model Year
Model Year
2024
Get in Touch

Transition Cycles
44B Castle Road
BEDFORD
MK40 3PJ

  • 01234 351154
Transition Cycles
Customer Services

Transition Cycles Limited is a company registered in England & Wales with company number 06566083.
Registered office: 15 Grove Place, BEDFORD, MK40 3JJ. VAT number: 933 3985 95.

Transition Cycles Limited acts as a credit broker and only offers credit products from Secure Trust Bank Plc. trading as V12 Retail Finance. Transition Cycles Limited is authorised and regulated by the Financial Conduct Authority. Our registration number is 793340. Credit provided subject to age and status.

©2025, Transition Cycles Limited.

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