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Our Ultegra series is "pro-proven" as it is a direct trickle down from our Dura Ace group. It stands for state-of-the-art technology, proven in pro races, the technology used in the new Ultegra 6800 series with 11 speed, newly designed brakes, new chain treatment etc.

Shimano Ultegra 6800 Cranks

  • The HollowTech II 11-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 11-speed HG-EV 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
  • A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines

Shimano Ultegra 6800 STI Shifters

  • Precision-engineered Ultegra STI levers with carbon levers offer powerful braking and effortless 11-speed shifting, making them the ideal choice for both enthusiast and competitive riders
  • Shift cables are routed under the bar tape: re-development and positioning of the internal mechanism in combination with Polymer coated cables have made this possible, providing faster, lighter and smoother shifting
  • Vivid indexing provides a constant amount of shift lever force across all 11sprockets
  • Ergonomic shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes
  • Powerful and controllable braking thanks to SLR-EV compatibility
  • Tuneable reach adjusters enable custom fitment for all hands

Shimano Ultegra 6800 Cassette

Lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes
Hyperglide EV sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear
Wide gear range to meet the demands of all types of rider
For use with HG-EV chains

Shimano Ultegra 6800 Chain

  • Super narrow lightweight 11-speed HG-EV symmetrical design chain for smooth shifts and maximum durability
  • Outer plate design has been developed to reduce the chance of chain suck
  • Sil-Tec surface treatment technology (PTFE plating) on inner and outer links that is smooth running and increases durability
  • Zinc-Alloy plated outer links
  • The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and near silent running
  • 5.62 mm chain width, optimised for 11-speed Super Narrow HG-EV drivetrains
  • Average weight 257 grams

Shimano Ultegra 6800 Rear Derailleur - SS

  • Ultegra rear derailleur with wide link design gives quick accurate shifts and excellent drivetrain efficiency
  • Wide outer link plates increase pivot joint rigidity to reduce shifting deflection
  • Lightweight aluminium pulley cage helps reduce weight without sacrificing shifting performance
  • Wide gear ratio compatible up to 28T

Shimano Ultegra 6800 Front Derailleur - Braze-On

  • Completely redesigned Ultegra front derailleur for use with Ultegra ST6800 shifters only for optimum shifting performance
  • Long pull arm for light action easy shifts with short lever stroke
  • Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load
  • The forged wide link cradles the axle pivot at both ends providing a smooth shifting swing
  • Added frame support bolt for more stability under load

Shimano Ultegra 6800 Brake Calipers

  • Ultegra components offer an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders
  • Dual-pivot calliper brake with super SLR-EV design for quick linear response, increased rigidity and improved braking power
  • Must be used in conjunction with super SLR levers for correct leverage ratio
  • Enhanced brake arch proportions give a quicker linear response and increased power
  • Low profile outer cable stop position improves cable routing for reduced friction
  • Spring tension adjuster for precision set-up
  • Adjustable toe-in on the brake shoes for easy set up

Delivery Information

Hargroves Cycles offer Free Delivery for all orders over £9 with in Mainland UK (orders below £9 will be charged £1.99)

Current disptach time of UK Bike orders is 5-7 days.
In Stock Clothing, Parts and Accessories are usually delivered within 2-4 working days, often sooner.

Bikes and Bulky items are sent via TNT Courier and smaller items are sent via Royal Mail 2nd Class Post.

Items over £50 are sent with Royal Mail 1st Class track able service which is emailed to the customer on the day of dispatch.
For full delivery details please see our Delivery Page

International Delivery

Hargroves Cycles delivery all across Europe. Goods are shipped from the UK and are subject to import duties where applicable

For further delivery, pricing and restriction information please view our International Shipping Page

Returns Information

We will happily exchange or refund any item purchased at Hargroves Cycles within 365 days, except gift vouchers and personalized products, except where faulty.

Returned goods must be unused and supplied with their original packaging, unless faulty.

For full details on our Returns procedure please visit out Returns Section.

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Shimano is the leader in the global bicycle component market producing components for road bikes, mountain bikes and leisure bikes. Shimanos business took off in the 1980s with the huge growth in mountain bike sales in Europe and the USA. Shimano now produce components for entry level bikes right up to pro tour race bikes. Shimano produce every drive train component and more - this now includes quality wheels, pedals,chains,cassettes,chainsets,mechs,brakes and related spares.

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  • Shimano Ultegra 6800 Groupset