Ultra 900 Carbon Frame Road Bike



Made for road cycling races and frequent training sessions on flats or in the mountains.
New B'Twin Ultra Evo Dynamic carbon frame combined with Shimano 105 11-speed drive train. Frame UCI-certified for road cycling races.

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EfficiencyThe reliability of the Shimano 105 11-speed groupset. Mavic Aksium 17 C wheels.
LightweightB'Twin ULTRA Evo Dynamic frame / fork module.
PrecisionShimano 105 brakes with direct mount on the front calliper.
Warranty5 Years
Technical Information

B'Twin Ultra Evo Dynamic frame is the most advanced frame available to tackle mountains and win the most demanding classic races. Weight: 850 g in size M (without accessories). A blend of HM and IM carbon fibres for one of the best weight-to-speed ratios on the market. The frame was specially designed for the most demanding climbers and sprinters. The bottom bracket is a standard PressFit 86 for greater stiffness of the chassis.
B'Twin aluminium competition frame Oversize ERGO Size / Width axis-axisM / L: 420 mm XL: 440mmB'Twin oversize competition aluminium frame Size/Length:M: 110mm L: 120mm
Shimano 105 11-speed ultra-versatile, 11x28 cassette. 11 , 12 , 13 , 14 , 15 , 17 , 19 , 21 , 23 , 25 , 28.Crankset: Shimano 105 5800, 52x36. Size/Length: XXS / XS / S: 170 mm M: 172.5mm L/XL: 175mm
Mavic Aksium 17 C wheels Materials: S6000 aluminium. Height: 21mm Internal width: 17mm Front without tyre: 865g Rear without tyre: 1015gSpokes: Lacing: radial on the front and rear on the side opposite the freewheel, crossed in pairs at the rear on the freewheel side Number: 20 at the front and rear
B'Twin Sport Ergo Chromo
7.8 kg in size M, without pedals.
700x25 Btwin puncture resist tire.
Shimano 105 Direct Mount (front) 2 symmetrical mounting axes for more effective braking control and power. Adjustable spring tension on the front calliper.
11-speed Shimano 105 groupset.The 105 offers the same precise indexing as the Ultegra and Dura-Ace groupsets.The derailleurs feature an all-new design. The front derailleur has a guide combined with a new spring mechanism that ensures smooth shifting between chainrings. The rear derailleur now sports the same tried-and-
The B'Twin Ultra Evo Dynamic fork is exclusive to the B'Twin Ultra Evo Dynamic frame. Weight: 320 g. Full carbon fork.
1) The components seen on the bicycle in the videos may change from the actual product. 2) The bicycle will be delivered in 95% assembled condition(Handlebar and pedals have to be assembled). The directions for the cycle assembly will be sent via mail ( if you have subscribed) and available on the product pages. The tools for assembly are provided with the cycle only for online buyers.
1) If you will need a spare part to be replaced, we have it all at our workshop. You will have to drop by our workshop to get your cycle serviced. 2)The 3-month, free checkup is valid only if the user is able to take the bicycle to a decathlon workshop. 3) All bicycle accessories need to be purchased separately.
Information / Concept / Technology
Frame (for bike) : 100.0% Carbon fibre (CF)



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Ultra 940CF series
When Ultra 940CF series will be launching in India
Average components for the price
Good frame set with little to no flex . However at such a price point one would expect at least an ultegra groupset . Would've actually recommended it to someone if the groupset was better .
Response of the brand
Hello Vedant,

Thank you for taking the time to give us your review. B'Twin Ultra Evo Dynamic frame is the most advanced frame available to tackle mountains and win the most demanding classic races.  A blend of HM and IM carbon fibers for one of the best weight-to-speed ratios on the market. The bottom bracket is a standard PressFit 86 for greater stiffness of the chassis. Our frame quality is standard from Ultra 900CF to Ultra 940CF  series. Regarding the components, the bike has entry-level racing groupset and wheels set. The user can upgrade this bike till Ultra 940CF. We are the market leader for the best price-value ratio and this bike has been recognized for the best price-value ratio. 

Best cycles brand in india
Awesome quality of cycle and there equipments smooth to handle the cycle love between
This is awesome .I like modal.i love it
I loved it
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