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    Ultra 900 Aluminium Frame Road Bike - Black/Grey/Yellow

    € 958.80

    Designed for frequent training and sport cycling / racing (any gradient, any distance).

    More details
    SKU: S170333 (2160363)
    Select a color:
      Select a size :
    Size Guide

    Delivery in 7 to 8 days

    Our e-commerce is suspended for a transition period. We expect to be back soon!
    Product benefits
    1. Efficiency
      Shimano 105 11-speed drive train. New Mavic Aksium 17c wheels.
    2. Cycling comfort
      B'Twin Ultra Evo Vario aluminium frame, carbon fork, aluminium steerer tube.
    3. Precision
      Precision
      Carbon fork. Shimano 105 direct mount front brakes.
    4. Lifetime warranty
      Lifetime warranty
      B'Twin provides a lifetime warranty on the frame, stem and handlebar.
    Details
    • SIZES
      XS / S / M / L / XL
    • WEIGHT
      8.9 kg
    Product feature
    1. Frame
      Our new B'TWIN ULTRA frame is derived from the Evo Vario concept. Aluminium is an ideal choice for obtaining an excellent propulsion-to-comfort ratio. The variable thickness tubes considerably reduce the weight. The cables are built into the frame. This frame is UCI-approved. Weight: 1400 g in size M.
    2. Fork / suspension
      The B'Twin Ultra Evo Vario fork is used 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. Brake located as close as possible to the fork. Weight: 550 g.
    3. Handlebar / stem / steering
      Compact B'Twin 6061-T6 aluminium handlebar is scaled to the bike's size. The handlebar weighs 320 g in size 420 mm. End-end width: XS, S 400 mm. M, L 420 mm. XL 440 mm. 6061 T6 aluminium stem. 140 g in size 110 mm. XS 80 mm. S, M 100 mm. L 110 mm. XL 130 mm. The headset uses long-lasting sealed bearings and has a 1-1/8" diameter at the top and 1-1/4" diameter at the bottom.
    4. Drivetrain
      Shimano 105 11-speed drive train. Shimano 105 SS double front derailleur. Shimano 105 11-speed rear derailleur. Shimano 105 double compact chainset.
    5. Crankset / cassette
      Shimano 105 52 x 36 chainset. Crank length varies according to size of bike: XS / S: 170 mm. M: 172.5 mm. L / XL: 175 mm. Shimano 105 11S 11 x 28. (11/12/13/14/15/17/19/21/23/25/28).
    6. Brakes
      Shimano 105 Direct Mount brakes on the fork: their dual-pivot technology offers precision and power. Stays perfectly centred thanks to DPB technology. Brakes made from cast aluminium and covered with powder paint that withstands frequent washing.
    7. Wheels
      New Mavic Aksium 17c wheels. Wider rim so you can use wider, more comfortable tyres. Height: 21 mm. ETRTO dimension: 622 x 17c. Pair, without tyres: 1880 g.
    8. Tyres
      MAVIC YKSION tyre ensures a good connection with the AKSIUM 17c rim. 700 x 25.
    9. Saddle / Seat post
      B'TWIN Comp Ergo Chromo saddle: chosen for its comfort and efficiency. Weight: 257 g. B'TWIN Competition aluminium seat post. Diameter: 31.6 mm. Length: 350mm. Weight: 240 g.
    10. Pedals
      Pedals not included.
    11. Accessories / equipment
      Comes with a front and rear-lighting kit and bell.
    12. Weight
      8.900 kg in size M, without pedals.
    Product testing
    1. Composition
      Frame : 100.0% Aluminium 6061
    2. Storage 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.
    3. Cleaning advice
      Regularly maintain your fork (clean and grease dampers), especially in winter. Take your bike to your Decathlon store's customer service workshop, which offers a free safety inspection on all new bikes purchased.
    4. Product restrictions
      Cannot take a pannier rack.
    5. Product catchline
      Bike designed for performance and endurance. Take part in all competitions with the UCI-approved frame. The top-of-the-line components enhance the Ultra's performance.
    Product reviews
    4.7 / 5
    23 reviews
    23 users recommend this product
    Write a review
    • Superb bit of kit

      25/04/2018
      Neil (United Kingdom)
      Used for 2 to 8 weeks
      Previously had a 700AF and sold it when upgrading to a carbon bike. Missed the 700AF’s ability to soak up miles in comfort with ease - so bought the 900AF as my go to bike for commuting/training as I couldn’t find a 700AF anywhere. Only gripe would be I’d prefer 50/32 rather than 50/34 - but that’s it..Bike looks great too - excellent value for money
    • Great Cycle

      01/04/2018
      Ozzy (United Kingdom)
      Used for 2 to 8 weeks
      A great bike. Bought as a second training bike and could not be happier. It’s fast and responsive, great gears 105s and a nice set of wheels, the only downside poor tyres but for the price you won’t by better. Set up superbly by the staff and I didn’t have to change saddle height. Great job. Thanks. Ozzy
    • 900AF Road Bike & Staff at Tamworth Decathlon

      10/03/2018
      Paul (United Kingdom)
      Used for 2 to 8 weeks
      Very impressive Bike and service. I'd spent a long time researching my new Cycle to work scheme Bike and after much deliberation I decided to go for the 900 AF with 105 Shimano groupset. 9kg of road bike goodness, bought the M540 Pedals and Shoes to as well. Bike was well set up and the gears tweaked when I asked. The Store even recognised without prompting that the tyres on the Bike had cracked and replaced them without question. I'm a difficult customer to say the least and have to say I was dealt with very well by both Jackson and Dylan in store. Really impressed
    • Awesome!

      21/02/2018
      Russ (United Kingdom)
      Used for 3 to 6 months
      Best equipped bike by miles, even at twice the price!
      If somebody could please explain how the seat clamp on the seat post works (not the seat post clamp) I could dial the fit perfectly thus shaving even more time off my already smashed P.B.
    • Great bike, poor set up

      24/01/2018
      Stephen (United Kingdom)
      Used for 2 to 8 weeks
      Great value for money and a great entry road bike but very disappointed that I had to spend another £60 on taking it to a proper bike technician. I don't thing messing around fixing your BMX when you was 8 years old counts as a bike technician!!!!
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