bikes
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all images © Christian Drolle
RRB - the Rough Road Bike (gravelbike evolution)
bikes built for poor roads and gravel - the evolution started in 2000
2024 - The Rough Road Bike - Episode 3 - the RRB24
MTB Hardtail Frame - RS SID Ultimate 100 mm travel 35 mm tubes - 29″ 40-622 semi-slick tires
built 2023-2024 by CFD
RRB24
2012 - The Rough Road Bike - Episode 2 - the RRB12
MTB Hardtail Frame - Magura Durin 100 mm travel 32 mm tubes - 26″ 37-559 (26x1,4) semi-slick tires
built in 2012 by CFD
Großglockner
RRB12
2000 - The Rough Road Bike - Episode 1 - the RRB Zero
MTB Hardtail Frame (SID blue) - rigid fork - 26″ 37-559 (26x1,4) semi-slick tires
built in 2000 by CFD
Großglockner
RRB Zero
R24 - Puch Mistral
frame 1984 model 2024 by CFD
R14 - Puch Mistral
frame 1984 model 2014 by CFD
CFD Titanium SL Monoracer 1x8
by CFD
Canyon Monoracer 1x8
by CFD
Le Bourg-d'Oisans
L'Alpe d'Huez
Schmalblättriges Weidenröschen - Epilobium angustifolium
Le Grand Galibier 3228 m - Col du Galibier 2642 m
Cime de la Bonette
Mt Ventoux 1911 m
road up Monte Lussari
MTB
Marzocchi MX Pro ETA 120 mm
by CFD
transmission gear ratio
Optimierung je nach Einsatzbereich der bikes
more at bikes 2
© Christian Drolle
all images © Christian Drolle