All about my (proto) Hike-Use
The prototype Hike-Use in size “59” that I have ridden for the last 2 years now described here is actually a 3rd generation proto-model. The 1st and 2nd generation prototypes will maybe be covered in a “historical Tunk bicycles” episode later on. They were unrefined alpha-versions as frames and as complete bicycles and thus I will concentrate on this beta-version. If I find the time, in the next week or two I will build up the final release version of the same frame. But I figured this bike deserved a full introduction.
Hike-Use fork design process
Most manufacturers, both historically and in the present day, share quite little information about their products. And even when the frame tubeset being used is published, the fork is most often forgotten. It is quite surprising how hard it is to find any thorough information on steel fork design. We had to measure and research different types of forks in older and newer bikes, comparing those used in road, track, touring, MTB and gravel bicycles. The thinnest we found were on a 1968 Jo Routens 700c randonneuse, and the largest ones on a Stooge Rambler, which totally makes sense, they are made for exactly opposite use cases.
How to load up a Hike-Use
…A handlebar bag, large front panniers, possibly a frame bag or a rear platform rack for light items like a sleeping pad etc, will thus allow touring with camping gear. Still we would not recommend the Hike-Use primarily for this kind of use, as a sturdier, heavier and stiffer frame would still probably be more optimal. But then that frame will feel less lively and possibly less fun and fast when unloaded. Everything in bike design, or any design really, is a compromise.
Tunk sizing guide
All bike brands size their bikes a little differently. Here is our guide on how to choose the correct size Tunk bicycle. This is based on the PBH-method, as promoted by Rivendell Bicycle Works, and noted to be effective.