I read through much of RH's tire research and was so impressed I ordered a
piar of their 650b Loup Loup Pass.
On Monday, April 12, 2021 at 2:19:31 PM UTC-5 thoma...@gmail.com wrote:
> Ignoring the friction component for now and looking at the numbers, a Rene
>> Hearse tire set is 1/2 pound ligh
>
> Ignoring the friction component for now and looking at the numbers, a Rene
> Hearse tire set is 1/2 pound lighter than the Cazaderos (125 grams per
> wheel). This doesn't sound like too significant difference on a 30lb bike
> EXCEPT as above, this is unsprung weight which most significantly
Wheel weight vis a vis moment of inertia matters almost nothing to the
modern bicycle. Based upon normal human power outputs (100 W), cruising
speeds (6 m/s), and wheel sizes (.35 m) , a bicycle's wheel based upon
moment of interia alone comes up to speed in fractions of a second. The
differenc
Thanks for all the thoughts.
Someone asked if I'd weighed the wheels, unfortunately I don't have a scale.
Maybe I'll swap the tires sometime. Not really my end goal, but would help
me understand what's going on.
Just curious if anyone on here has ever swapped from a heavier wheelset to
a light
Adam, good choice on the Barlow Pass tires. I ran a set on my Hillborne
for 5 years till the rear wore out this past fall. I switched to
Snoqualmie Pass tires for a bit more cush. I have them mounted on Dyad
rims and they measure 41mm wide, where the BPs measured 35mm, if I
remember. Tried
So we're back to #1 - light tires & tubes. Followed by #2 - light rims &
spokes.
No one else want to chime in on friction? How much slip does say, a
semi-knobby tire like the Cazadero allow compared to the RH & is that
noticeable when accelerating?
Inboard brakes are a thing of beauty & dange
The comparison to motor vehicle unsprung weight may parallel bicyclists'
focus on wheel and tire weight but available horsepower of even weak
engines makes all but the most competitive motor vehicles seem sloppy with
their unsprung, wheel and tire weights comparatively.
You on your bike won't
Adam, have you weighed the wheelsets?
On Wednesday, April 7, 2021 at 12:52:34 PM UTC-5 lconley wrote:
> It is rotating weight that matters for acceleration. I could bore you with
> a bunch of physics equations or you could Google "rotational inertia" if
> you are interested - the rotational in
It is rotating weight that matters for acceleration. I could bore you with
a bunch of physics equations or you could Google "rotational inertia" if
you are interested - the rotational inertia is a function of the square of
the distance from the weight to the axis of rotation (lightweight
derail
On Wednesday, April 7, 2021 at 11:11:44 AM UTC-5 Patrick Moore wrote:
> I think I understand the concept of unsprung weight, but I thought that it
> affected handling, ie lateral forces and their control, and not
> acceleration; wouldn't a vehicle with a very great unsprung weight
> accelerat
I think I understand the concept of unsprung weight, but I thought that it
affected handling, ie lateral forces and their control, and not
acceleration; wouldn't a vehicle with a very great unsprung weight
accelerate as fast on a horizontal and straight surface as one with very
little unsprung weig
Car & motorcycle racers talk about unsprung weight, in other words the
weight of the components that the suspension system does not act upon
(rims, tires, brake calipers etc.). Keeping this number to a minimum is
critical to building a competitive vehicle as this directly effects
acceleration &
Also, the Cazaderos have small knobs; this will certainly affect rolling
resistance.
On Wed, Apr 7, 2021 at 8:06 AM Patrick Moore wrote:
> I've used all sorts of wheel sizes and weights, from just shy of 20" to
> just over 30", and tires ranging from 175 grams to over 900 grams. IME,
> wheel dia
I've used all sorts of wheel sizes and weights, from just shy of 20" to
just over 30", and tires ranging from 175 grams to over 900 grams. IME,
wheel diameter and tire weight affect the ride far less than tire quality
(supple, light casing) except on hills, when at least in the extreme -- in
my cas
Hi all, hoping to get some thoughts on the role of wheels in acceleration
and climbing.
I recently picked up my first Riv (Hillborne) and am running Dyads and
Barlow Pass tires. Among other things, I'm amazed at the difference in
acceleration, speed, and particularly climbing vs my other bike,
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