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Tire width and pressure
Model Tires Nominal width recommended tire pressure Maximum tire pressure
Siegfried Road Continental Grand Prix Classic 25 mm 6,0 - 7,5 bar 8,5 bar
Viktor / Siegfried Continental Grand Prix 28 mm 5,5 - 7,0 bar 8,0 bar
Front sprocket Rear sprocket Gear ratio Number of
teeth (belt)
70* 20 3,50 120
70* 22 3,18 120
60 20 3,00 115
60 22 2,73 115
55 22 2,50 113
55 24 2,29 113
50 24 2,08 111
Component Task/Activity Before every ride Monthly Annually Other interval
Beleuchtung * Kontrollieren o
* 1.5 mm spacers required between pulley and crankg
Bold print = default gear ratio
Axle bolts Check / retighten o
Nuts and bolts Check / retighten o
Valves Checkt o
Seat post Grease clamped connections o
Saddle Leather care (for leather saddles)
o
Possible gear ratios
The maximum tire width allowed for the Viktor, Siegfried,
and Siegfried Road models is 32mm (measured width). The
i
You may order pulleys through Gates or Schindelhauer
Bikes. Let a specialized dealer carry out the modication
as special tools are needed.
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nominal width stated on the sidewall of the tire and the actual
measured width may differ depending on the manufacturer.