.. latex inner tubes are not my choice but have a lower crr than aerothan .. https://www.aero-coach.co.uk/...e-rolling-resistance
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___/\___/\___/\___ the s u r f b o a r d of the K u r p f a l z is the r o a d b i k e .. oSo >>
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___/\___/\___/\___ the s u r f b o a r d of the K u r p f a l z is the r o a d b i k e .. oSo >>