sram with wifli

[bababoy]

hello.

just a quick question. my bike has a wifli sram rear derailleur. got standard cranks. and an 11-25 cassette. now the question. if i replace my cassette with an 11-32, do i need to change the chain?

thanks.

 

[CAMPYBOB]

Yes.

SRAM 11-speed recommends wrapping the large-large combination and adding 2 links or 1 link+ power link/Master link. Add link length as required to compensate for the cage length difference between the standard derailleur's cage and the Wifli cage length.

SRAM 10-speed derailleur setup instructions shows only a large-large wrap, also with the overlap of 2 links. Adjust cage hang position per instructions.

See also Sheldon Brown's website or the Park Tool website for their take on SRAM installations.

http://cdn.sram.com/cdn/farfuture/mW61SVtTGfjvJ4x8nLzTuSb0nO9UZryLm68NUIYLl1A/mtime:1372788144/sites/default/files/techdocs/95-2418-001-000_rev_a_11spd_road_cassettes_and_chains.pdf

http://cdn.sram.com/cdn/farfuture/EuMaSDXjyYDYg4LaG-_jQfPBs0Rp9sceOMN9qBXHm0o/mtime:1372788168/sites/default/files/techdocs/95-7915-010-000%20Rev%20B%20-%20Road%20Derailleurs_6.pdf

http://www.parktool.com/blog/calvins-corner/sram-force-and-rival-group-service-and-installation

http://sheldonbrown.com/derailer-adjustment.html#chain

 

[alfeng]

FWIW. Depending on the length of the chain which is currently on the bike, I think that going from an 11-25 Cassette to an 11-32 Cassette may require an additional 8 "links" (that is, 4" of additional chain ... THE SAME CHAIN!!) ...

 

[bababoy]

thank you!