riese und müller GmbH Frog Manual
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Dear customer,
Congratulations on the purchase of your Frog. riese und müller is building light and easy riding full suspension bikes.
You’ve joined the folding revolution – full suspension, easy-riding and extremely light. Your Frog comprises a selection of
thoroughly-developed and manufactured components chosen with care. Your specialist dealer will have completed final assembly
and will have performed a final functional test, so that you can pedal away happily from the very first foot.
In this manual we’ve gathered together plenty of tips about using your bike, along with valuable information about cycle
technology, care and maintenance.
If you have any questions after reading this manual just contact your dealer or directly us.
Your riese und müller team.
PAGE 1, Contents
2About this manual
4Before the first journey
5Before every journey
6How to fold the Frog
8How to unfold the Frog
9Transporting the Birdy
10Legal requirements for street use
11Fitting the Frog to the rider
16Adjusting the suspension
17How to use a quick-release?
18Front stem hinge tension adjuster
19Rear swing-arm catch
20Front swing-arm catch
21Braking system
24Hub gears on the Frog
26Wheels and tyres
28Wheel attachments with axle nuts
28Fixing a puncture
32Steering or headset bearings
33Suspension pivot bearings
34Lighting system
36General care and inspection tips
39Warranty
41Recommended tightening torques
42Service and maintenance interval planner
44Documents, service record and the Bicycle Passport
(all page numbers refer to the German language version)
Danger: In this manual we collected many tightening torques in Nm. Never trust only your feeling: “thightened”not equals
“tightened”. ONLY a torque wrench guarantees exact tightening torques. So please always use this tool if there are any tightening
torques named in this manual. Wrong tightened bolts could lead to misfunction, failure or accidents.
PAGE 1, Contents
riese und müller bikes take advantage of unusually innovative technology, so even if you’re an ‘old hand’ who has been riding
bikes for a lifetime, do read and observe the following tips carefully before you first use the bike. So that every ride is a
pleasure, and for your own safety, the quick check procedure should be performed before every ride. You can read how to do
this check on page 5 of this booklet.
Danger: Do not ride if the bike doesn’t pass the check 100%!
There are a whole series of maintenance and assembly procedures described in this manual. If you carry out any of these, you must
always remember that the instructions apply only to the Frog and not to any other bike.
It’s also possible that because of the wide range of models, and regular model changes, that the instructions are not entirely
complete.
(1 pages)
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