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Product benefits
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EfficiencyShimano 105 11-speed drive train. New Mavic Aksium 17c wheels.
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Cycling comfortB'Twin Ultra Evo Vario aluminium frame, carbon fork, aluminium pivot.
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PrecisionCarbon fork. Shimano 105 direct mount front brakes.
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Lifetime warrantyB'Twin provides a lifetime warranty on the frame, stem and handlebar.
Product feature
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FrameOur 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.
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Fork / suspensionThe 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.
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Handlebar / stem / steeringThe 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.
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DrivetrainShimano 105 11-speed drive train.Shimano 105 SS double front derailleur. Shimano 105 11-speed rear derailleur.Shimano 105 double compact chainset.
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Crankset / cassetteShimano 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).
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BrakesShimano 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.
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WheelsNew 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.
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TyresMavic Yksion tyre ensures a good connection with the Aksium 17c rim. 700 x 25.
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Saddle / Seat postB'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.
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PedalsPedals not included.
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Accessories / equipmentComes with a front and rear-lighting kit and bell.
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Weight8.9kg in size M, without pedals.
Product testing
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CompositionFrame : 100.0% Aluminium 6061
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Storage adviceStore 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.
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Cleaning adviceRegularly 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.
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Product restrictionsCannot take a pannier rack.
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Product informationCreated 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.
