what year did sram mechs go 1:1 ratio

mattbrown

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I have a 2006 (its stamped on the shifter, well i think its a date) shifter, and want to know will any sram mech work with it?
 
I'm pretty sure SRAMs 1:1 ESP system first appeared in 1996 with the ESP 900 mechs and gripshift. It was certainly around in 1997 when they upgraded it to ESP 9.0.

The same 1:1 cable pull ratio has been used by SRAM ever since, so it is possible to use old mechs with modern shifters and vice versa.

You do still need to make sure that the shifters and mech are 1:1 ratio though, as SRAM still made and still make shifters with the Shimano compatible 2:1 ratio too.
 
ESP was certainly mid 90's like drystonepaul says.

But model will tell you, SRAM still have the info and manuals on their website.
 
Which is why I keep asking which model of shifter it is!

As Fluffychicken says the model will determine which rear mech you can use with the shifter
 
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