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SHIMANO 105 groupset, MAVIC AKSIUM 17 wheels.

  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
  • 15 - Cycling Cycling - Ultra 900 AF Road Bike - 105 B'TWIN - Bikes
15 - Cycling

B'TWIN Ultra 900 AF Road Bike - 105

B'TWIN
Designed for very regular road cycling, sportives or racing on the flat and in the hills. The Ultra 900 AF has been updated for 2017 with a full Shimano 105 5800 11s groupset and Mavic Aksium wheelset. With it's triple butted UCI approved frame (with a lifetime warranty), carbon forks and powerful direct mount brakes this bike really does deliver a dynamic and engaging ride. Shares the same frame as the award winning b'Twin Ultra 720 AF road bike. Road Bike Size Guide click here

To view our full range visit our Road Bikes category.
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Reference : 8377261
 
PRODUCT BENEFITS
Efficiency Shimano 105 11-speed drive train.
New Mavic Aksium 17c wheels.
Cycling comfort B'Twin Ultra Evo Vario aluminium frame, carbon fork, aluminium pivot.
Precision Carbon fork. Shimano 105 direct mount front brakes.
Lifetime warranty B'Twin provides a lifetime warranty on the frame, stem and handlebar.
TECHNICAL INFORMATION
Frame

Our new B'Twin Ultra frame is derived from Evo Vario technology. 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.

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.

Handlebar / stem / steering

Compact B'Twin 6061-T6 aluminium handlebar is scaled to the bike 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.

Drivetrain

Shimano 105 11-speed drivetrain.Shimano 105 SS double front derailleur. Shimano 105 11-speed rear derailleur.Shimano 105 double compact chainset.

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).

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.

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.

Tyres

MAVIC YKSION tyre ensures a good connection with the AKSIUM 17c rim.
700 x 25.

Saddle / Seat post

B'Twin Comp Ergo Chromo saddle, chosen for its comfort and effectiveness. Weight: 257 g.
B'Twin Competition aluminium seat post.
Diameter: 31.6 mm.
Length: 350mm.Weight: 240 g.

Pedals

Pedals not included.

Accessories / equipment

Comes with a front and rear-lighting kit and bell.

Weight

8.900 kg in size M, without pedals.

COMPOSITION / ADVICE
Composition
Frame
100.00% Aluminium 6061
Care instructions: 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.
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.
OUR COMMITMENTS
Guarantee : Lifetime warranty on the frame, 2 years on the fork, 2 years on peripheral components.
 
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