... From: "carsten_thies" ... Carsten, I wanted some idea of how the suspension travel of the tires compared with that of the Birdy suspension units (I had...
Hello Martin, iirc the Uni Oldenburg built sort of a horizontal swingarm with a bicycle wheel on the free end and additional mass fixed to the wheel's axle,...
... oops, a false friend equation omega=sqrt(c/m) -> springrate c = f^2 * 4 * pi^2 * m I will see if I find the article in the ProVelo, in some issue nearly ...
Looking at the 'photos of the new Birdy it looks as if the new saddle clamp is quite different, allowing the seat post to be lowered a little bit more than...
... From: "carsten_thies" iirc the Uni Oldenburg built sort of a horizontal swingarm with a bicycle wheel on the free end and additional mass fixed to the...
Hi everyone. I have just got a four year old Silver Birdy and I'm very happy with it. What do you consider are the best type of bar ends, particularly with...
Thanks for that feedback,I hope to be a stone or so lighter in the future. There seems to be a belief that the Birdy is for small riders only as many "experts"...
I am 6'3" 240 lbs., not sure what that works out to in stones. I ride a bike that has 16" wheels. It's not my only bike. The longest ride I took with it was...
I am 6'2", inside leg 33", and am comfortable on my Birdy, with the seat-post at max. I like a riding position with the seat slightly higher than the...
I really like these (I use the now discontinued Serfas model, but this company picked it up with what looks like some improvements). They don't hinder folding....
I remember when I bought my Blue, I had the option of a height-adjustable stem. I was interested in this feature, but upon test-riding, found it brought the...
Anybody know where I can get Big Apples (18 x 2.00) for a Birdy; by mail order, with payment by bank transfer or webform credit card? I'm in Asia, where the...
Great tires and Coming soon .......But Big Apple does not work on all Birdy specs due to derailler tolerence in lowest gears and rubbing on tires. Capreo seems...
... The clamp cannot be retrofitted, but I am sure you can buy a new seatpost. The new clamp positions the saddle further forward. This is good for folded size...
... Calculate the ... For a rough estimation of the rebound direction of a wheel from a step shaped road irregulatity, back in 1994 I measured (or rather ...
Carsten, Thanks for the information. I wonder if the new clamp also allows the seat post to be inserted further down than the present clamp? I'd imagine there...
... From: "carsten_thies" Senkel suggests to use a static deformation of 0.25 to 0.35 of the height of the tire over the rim for good comfort (for unsuspended ...
March 11th - Stratford - Upon - Avon Meet at the Morrisons supermarket cafe (Alcester Road, Stratford-on-Avon, CV37 9DA). Note that parking at the supermarket...
Reminder from the Calendar of birdybike http://groups.yahoo.com/group/birdybike/cal Origami Ride (Folding Society) Saturday March 11, 2006 10:00 am - 5:00 pm ...
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