• 01234 351154

Product Information
Size:
165MM 12SPD
Colour:
50/34T Grey

How to Buy

In-Store

Available to
purchase in-store

Phone

Available now, call us on
01234 351154 to order

Online

Available now - see
delivery information

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


Select & Buy

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

Available

£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