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Shimano Ultegra groupset, Cosmic Elite wheels.

Reference : 8402811
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Ultra 920 AF Road Bike, Grey - Ultegra

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until £1,199.00 -25%


This price includes a recycling fee for electrical equipment and batteries DecathlonDeeeTaxMentionAfterPrice / Since

From 02/08/2019 To

* Sales from to Until end of stock
* From 02/08/2019 and limited stock
£1,199.00 %
This price includes a recycling fee for electrical equipment and batteries DecathlonDeeeTaxMentionAfterPrice / Since

* From To

* Sales from to Until end of stock
* From and limited stock
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Designed for regular and frequent road cyclists who are keen to keep a close eye on performance, handling and speed. The award-winning Ultra 720 AF has been upgraded to the Ultra 920 AF with a modified frame (rear brake on seat stays), all new full Shimano Ultegra R8000 groupset and updated Mavic Cosmic Elite 17C wheels, resulting in increased rider comfort and more precise shifting and braking.

Rated 4.5/5 Bike Radar (July 2018): "The Ultra is a whole lot of bike for the money and it wants for nothing out of the box"
  • Lightweight butted aluminium frame
  • 11-speed Ultegra R8000 drive train
  • UCI-approved

    Efficiency New Shimano Ultegra R8000 11-speed groupset.
    Cycling comfort B'Twin Ultra Evo Vario aluminium frame, carbon fork, aluminium pivot.
    Precision New Mavic Cosmic Elite 17C wheels.
    Lifetime warranty B’Twin offers a lifetime warranty on the frame, stem, handlebar and rigid fork.



    Our B'Twin Ultra frame is derived from the Evo Vario concept. Aluminium is an ideal choice for an excellent balance of speed and comfort.
    The variable thickness tubes considerably reduce the weight.
    The cables are built into the frame
    This frame is UCI-approved.
    Weight: 1400g in size M.

    Fork / suspension

    Our new B'Twin Ultra Vario fork is mounted exclusively on the B'Twin Ultra Evo Vario frame. The combination of carbon and aluminium is the ideal choice for perfect synergy between the B'Twin Ultra Evo Vario frame and fork.
    Weight: 550g in size L.

    Handlebar / stem / steering

    B'Twin Competition Ergo 6061-T6 aluminium handlebar (anatomic shape for added comfort).
    Weight: 320 g in size 420mm (S: 400mm; M/L: 420mm).
    Stem made from 6061-T6 aluminium (S/M: 100mm; L: 110mm: XL: 130) The steering uses long-life, sealed bearings; its diameter is 1-1/8" at the top and 1-1/4" at the bottom.


    Shimano Ultegra R8000 11-speed drive train.
    Ultegra R8000 double front derailleur.
    Ultegra R8000 11-speed rear derailleur (32 teeth maximum)
    Shimano Ultegra R8000 compact bottom bracket.

    Crankset / cassette

    Shimano Ultegra R8000 compact 52/36 chainset.
    Crank length varies according to size of bike.
    XS/S: 170 mm.M: 172.5 mm.
    L / XL: 175 mm.
    Shimano Ultegra R8000 11/28 cassette


    Shimano Ultegra R8000 Direct Mount brakes on the fork: dual-pivot technology provides precision and power. Stays perfectly centred thanks to DPB technology.
    Brakes made from cast aluminium and covered with powder paint that withstands frequent washing.


    Mavic Cosmic Elite wheels
    Weight: 1,770g
    Rim material: S6000 aluminium
    Rim height: 30mm
    Rim width: 17mm (inside), 24mm (outside)
    Spokes: steel, straight, laminated
    Number and type of spokes: 20, radial (front); 20, radial, double crossed (rear)


    Mavic Yksion Comp tyres - 210g.
    Front and rear tread: Simple Compound single-density structure.
    Carcass: 120 TPI.
    Dimensions: 25-622 (700 x 25c).
    Max. pressure: 9 bar / 130 psi.

    Saddle / Seat post

    Fizik Antares Black Edition saddle
    B'Twin Competition aluminium seat post.
    Diameter: 31.6mm / Length: 350mm.


    Platform pedals.

    Accessories / equipment

    Comes with a lighting kit and bell.


    8.45kg in size M, without pedals

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    100.00% Aluminium 6061
    Stock advice Store your bike in a dry, cool place. If riding or storing your bike in a salty environment, be sure to wash your bike after each use.
    Restricted use : Cannot take a pannier rack


    Guarantee : Lifetime warranty on the frame, 2 years on the fork, 2 years on peripheral components.