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

€ 920.00

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

More details
SKU: S170333 (2160363)
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Size Guide

Available online

Delivery in 4 to 5 days

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 pivot.
  3. Precision
    Carbon fork. Shimano 105 direct mount front brakes.
  4. Lifetime warranty
    B'Twin provides a lifetime warranty on the frame, stem and handlebar.
Product feature
  1. 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: 1400g 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: 550g.
  3. Handlebar / stem / steering
    The compact B'Twin handlebar is sized to the bike. The handlebar weighs 320g in size 420mm. End-end width: XS, S 400mm. M, L 420mm. XL 440mm. 6061 T6 aluminium stem. 140g in size 110mm. XS 80mm. S, M 100mm. L 110mm. XL 130mm. 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: 170mm.M: 172.5mm. L / XL: 175mm. 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: 21mm. ETRTO dimension: 622 x 17c. Pair, without tyres: 1880g.
  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: 257g. B'Twin Competition aluminium seat post. Diameter: 31.6mm. Length: 350 mm.Weight: 240g.
  10. Pedals
    Pedals not included.
  11. Accessories / equipment
    Comes with a front and rear-lighting kit and bell.
  12. Weight
    8.9kg 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 information
    Created for performance, its quality aluminium frame provides the perfect balance between comfort and lightness. You'll be surprised by its versatility on all inclines and over all distances.