Features

Design benefits

anatomic design

Geometry adapted to women's morphology thanks to the cycling position elements

efficiency

Shimano Tiagra 10-speed drivetrain Aero 700 B'Twin wheels

cycling comfort

B'Twin Ultra Evo Vario aluminium frame, carbon fork, aluminium pivot.

sitting comfort

Specially designed women's saddle for sport, designed by the women's design team

Design details

How to choose the right size Ultra AF Women's bike

Women from 1.50 - 1.64m: Size XS Women from 1.60 - 1.71m: Size S Women from 1.68 - 1.76m: Size M

Frame / fork

B'Twin Alur18 Alu6061 frame approved by the UCI. 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. Frame weight: 1400g in size M. B'Twin carbon fork and aluminium pivot The combined use of carbon and aluminium: an ideal combination to obtain homogeneous behaviour with the frame. Fork weight: 550g.

Handlebar / stem / steering

Compact B'Twin handlebars in 6061 aluminium Width from axle to axle adapted to women's shoulder width: Bike size XS and S: 380mm. Bike size M: 400 mm. Handlebars weight: 297g in size 380mm. 6061 aluminium stem Bike size XS: 60mm stem - 109g Bike size S and M: 80mm - 127g

Drivetrain

Shimano Tiagra 4700 10-speed drivetrain with levers adapted for better grip by women's hands. Shimano Tiagra 4700 double front derailleur. Shimano Tiagra 4700 GS 10-speed rear derailleur. Shimano Tiagra double compact bottom bracket.

Crankset / cassette

Shimano Tiagra 4700 50 X 34 bottom bracket. Crank length varies according to the bike size: XS / S: 165mm. M: 170mm. Shimano Tiagra 4700 10S 11 x 32 cassette. (11,12,14,16,18,20,22,25,28,32).

Saddle / seat post

B'Twin woman sport saddle, chosen for its comfort and efficiency. Weight: 240g. B'Twin Competition aluminium seat post. Diameter: 31.6mm. Length: 300mm. Weight: 266 g.

Brakes

Direct Mount Tektro T531 F front brake Tektro R540 rear brake

Wheels / Tyres

Aero 700 2024 B'Twin wheels Michelin Lithion Reinforced 2 tyres

Weight

9.1 kg in size S

level of practice	advanced
intensity	mid intensity
playing surface	road
bike frame material	aluminium frame
type of bicycle fork	carbon-alu fork

Ultra RCR AF Women's Road Bike, White - Tiagra

Features

Design benefits

Design details

Specifications

Details

Composition

Usage & care

Care instructions

Usage precautions

Storage