Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-08 Thread Garth
CNC machined Pulleys have been around a long time, and these days there are many a brands of them. Sift through them as you like ! https://www.amazon.com/s/?ref=nb_sb_noss_2?url=search-alias%3Daps=aluminum+rear+derailleur+pulleys=i%3Aaps%2Ck%3Aaluminum+rear+derailleur+pulleys -- You

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-08 Thread Ron Mc
all I can find is ebay now, and I got the set for $12 plus shipping https://www.ebay.com/p/microSHIFT-Alloy-Cnc-machined-Derailleur-Pulleys/1783871465?iid=173164989975=ps On Wednesday, August 8, 2018 at 8:24:15 AM UTC-5, Belopsky wrote: > > Nice. Link to them>? > > >> -- You received this

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-08 Thread Belopsky
Nice. Link to them>? On Wednesday, August 8, 2018 at 8:51:01 AM UTC-4, Ron Mc wrote: > > I put on the Microshift sealed-bearing pulleys when I found them really > too cheap on amazon (he doubled the price the next week). > > > they have put up with a lot of

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-08 Thread Ron Mc
I put on the Microshift sealed-bearing pulleys when I found them really too cheap on amazon (he doubled the price the next week). they have put up with a lot of abuse -- You received this message because you are subscribed to the Google Groups "RBW Owners

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-08 Thread Steve Palincsar
That squeal is a cry for help... On 08/08/2018 07:26 AM, Belopsky wrote: What I want to know is - which derailleurs work well on bikes that never get washed? Last time I rode in dirt and mud everything got gummed up and my derailleur was squealing on the ride after. I don't wash my bikes

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-08 Thread Belopsky
What I want to know is - which derailleurs work well on bikes that never get washed? Last time I rode in dirt and mud everything got gummed up and my derailleur was squealing on the ride after. I don't wash my bikes much. -- You received this message because you are subscribed to the Google

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-08 Thread Ron Mc
Also, big pulleys on Shimano RDs will increase the bending stress on their built-in stress riser - I've counted 5 cracked there with normal-sized pulleys, and no doubt there are more. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-08 Thread Ron Mc
there will be a spike in income for whoever can offer these to the lycra market -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-07 Thread Benz, Sunnyvale, CA
Reed, that’s my recollection too. However, Shimano did the large pulley thing to increase chain wrap and not to reduce friction. To be honest, this friction reason may be measurable, but inconsequential (much like extreme weight-weenieism). 1-odd Watts of savings? Pfft! My farts have more

[RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-07 Thread 'Mark in Beacon' via RBW Owners Bunch
On Sunday, August 5, 2018 at 6:18:34 PM UTC-4, ian m wrote: Does this make the Altus like the best kept secret in racing tech of the century? I don't know, but it makes my post the best-kept secret on RBW ;^) https://groups.google.com/forum/#!topic/rbw-owners-bunch/qexOy5NTv1E -- You

[RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-07 Thread ian m
Anyway, I hope to see more options with larger pulley derailers. As much as I love the Altus it is definitely not made to last On Sunday, August 5, 2018 at 6:18:34 PM UTC-4, ian m wrote: > > >

[RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-07 Thread ian m
Unless I'm missing something that looks to be 12/11 tooth pulleys? On Monday, August 6, 2018 at 5:05:21 PM UTC-4, Garth wrote: > > > > > >How low can we go ? ! ! ! >

[RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-06 Thread Garth
How low can we go ? ! ! ! http://www.disraeligears.co.uk/Site/Cyclo_Oppy_derailleur.html -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group.

Re: [RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-06 Thread Reed Kennedy
On Mon, Aug 6, 2018 at 1:30 PM Brewster Fong wrote: > When did Grant come up with this idea? Large pulleys have been around > since at least 2013 and possibly earlier: > Much earlier, in fact! The first one I'm aware of was the Dura Ace 7700 GS from 2001:

[RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-06 Thread Brewster Fong
When did Grant come up with this idea? Large pulleys have been around since at least 2013 and possibly earlier: https://www.bikeradar.com/us/gear/article/friction-facts-bigger-pulleys-really-are-more-efficient-37615/ Good Luck! On Sunday, August 5, 2018 at 3:18:34 PM UTC-7, ian m wrote: > >

[RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-06 Thread Belopsky
You can get that one for something like $1700usd -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to

[RBW] Re: TdF pros are using oversize rear derailer pulleys. Should you? Or, trickle... up? Cycle technology

2018-08-06 Thread Adam in Indiana
Ha, I immediately thought of Grant and his love of the large-pulley-sporting-Altus when I read this a few days ago. Not surprisingly, he was on to something..! On Sunday, August 5, 2018 at 6:18:34 PM UTC-4, ian m wrote: > Does this make the Altus like the best kept secret in racing tech of