I'm looking of purchasing sram etap for my race bike. I'll be on a standard 53-39 chainset and am debating whether to go wifli or not. I don't really see myself racing with anything bigger than a 28, I only used bigger in one race till now. However if the wifli rear mech runs well with an 11-25 and 11-28 I'd prefer to go this way as I like the idea of throwing in a 30 or 32 for foreign holidays. Anyone with any experience? I'd really appreciate some input.
Ps- first post here but long time lurker! I love this forum.
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Bliquid wrote:The marketing blurb says the weight difference is +11g for WiFli. According to the individual product descriptions its 3g... either way, not what you'd call a big difference.
Maybe an additional few grams of weight reduction with a link or two less chain due to the shorter cage?
gospastic wrote:I've used a wifli mechanical RD with an 11-25 and it did not shift as well as with a regular mechanical RD. Slightly less crisp.
This was my experience as well. The WiFli didn't shift quite as well as the regular version when running smaller cassettes.
What with Shimano running a longer cage these days is Wifli the better option? Also, do longer cages save on watts? I remember Cancellara running a long cage for drive train friction purposes before long cages were even the norm on road bikes.
I managed to fit a pair of 12t-14t pulley wheels into the Wifli think that'll save a bit of watts.
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Fuji SL 1.1 http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=140134&hilit=Fuji
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