Old 03-13-16 | 05:02 PM
  #6  
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Drew Eckhardt
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Joined: Apr 2010
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From: Mountain View, CA USA and Golden, CO USA

Bikes: 97 Litespeed, 50-39-30x13-26 10 cogs, Campagnolo Ultrashift, retroreflective rims on SON28/PowerTap hubs

Originally Posted by pressed001

Another point with the tripleizer: why is everything going the way of two speed up front and more in back?
SKU reduction for increased profits.

Only selling 2 rings means they don't have to make another set of cranks in various lengths, triple front derailleurs, and perhaps different left mechanisms.

More cogs means one cassette works for more people.

With 8 speed Exadrive Campagnolo sold 11-18, 11-21, 11-23, 11-26, 12-19, 12-21, 12-23, 13-21, 13-23, 13-26, and 14-26.

Now 11-23 11 cogs gives you the spacing, high-gear, and low-gear of 11-18, 11-21, 11-23, 12-23, 13-21, and 13-23. 12-25 covers 12-19, 12-21, 12-23, 13-23, 13-26, and 14-26 (apart from the junior roll-out restriction). That's 2 combinations not 11.


From what I understand, I have way more gears in back by adding just one more up front, so why does everyone want a compact double nowadays?
Triples have always had an image problem and the bike companies do better pushing compact doubles.

In fact, the top groups from Shmano and Campagnolo are ONLY available as compact doubles with 4-arm 110mm BCD cranks although you can still have a choice of rings.

I sell bike parts as a hoby so have a bunch of cranks in storage. Most of them are 130 BCD 53/39. Most important to me is a proper crank arm length. I just so happen to not have a triple with this correct length. So, in order to save some cash and hassle, I ordered one of these tripleizers. It seems to be an amazingly easy and practical solution. So now I can turn any of my 130 bcd cranks into a triple, giving me more gear ratios, whilst allowing me to run a smaller cassette in back.

Just makes sense to me.
I started riding a triple in 1997 when I realized 50-40-30 x 13-14-15-16-17-18-19-21 meant I could have both a 13-19 straight block for the plains and low like 42x28 for mountains.

The same thing held with middle age spread and 10 cogs in back.

I figured with 10 cogs 13-26 and historic riding weight under 140 pounds the small ring wouldn't do anything for me, but discovered I could climb mountains seated at an endurance pace which is great for staying fresh at the start of a 100+ mile ride.

Last edited by Drew Eckhardt; 03-14-16 at 01:03 PM.
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