Like Ghost and Lapierre, Haibike, the sports brand of Winora-Staiger from Schweinfurt, is part of the Dutch Accel Group. The carbon frame of the Challenge SL is identical to the models of its sister brands, with the exception of the paintwork. Visually, the bike is a real eye-catcher, the decor of the components is skilfully matched to the frame. Technically, there is nothing to criticise. The Shimano brakes work well thanks to high-quality pads. The 105 rear derailleur with a long cage would not be absolutely necessary for the selected gear ratio with a 30 sprocket, but it works without any problems. The comfort of the bike could be significantly improved if a better-sprung carbon seatpost had been fitted instead of the simple aluminium seatpost. The top link feels uncomfortably thin and hard.
Price 1,499 Euro
Weight 8.3 kilos
Available in specialised shops
Reference/Info www.haibike.de
Weight frame/fork/steering bearing** 1,217/427/80 grammes
Frame sizes*** 46, 49, 52, 55, 58 cm
Seat/steering angle 73°/73,5°
Seat/top tube/head tube 550/565/179 mm plus 16 mm headset cap
Wheelbase/caster 995/52 mm
Stack/Reach/STR**** 576/386 mm/1.49
EQUIPMENT
Steering bearing FSA, top 1-1/8, bottom 1-1/4 inch
Brakes Shimano BR-R561
Circuit Shimano 105
Bottom bracket Shimano FC-R565 (50/34 t., Press-Fit BB86)
Wheels/tyres Mavic Aksium/Mavic Aksion 25C
Handlebar/stem XLC/XLC
Saddle/post Selle San Marco Ponza/XLC (27.2 mm)
*The frame set accounts for 40 per cent and the equipment for 60 per cent of the overall grade. The grades are calculated with all decimal places up to the final grade; however, for the sake of clarity, all grades are given with rounded decimal places.
**Weighed weights.
***Manufacturer's specification, test size bold.
****Stack/Reach projected vertical/horizontal measurement from the centre of the bottom bracket to the top of the head tube; STR (Stack to Reach): 1.36 means a very stretched, 1.60 an upright riding position.
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