batmobile Posted June 2, 2015 Posted June 2, 2015 Hi guys, I have a query. I recently popped on a 42t Kalbo expander sprocket to a new XT cassette and chain and am running a 32 tooth NW front chain ring (Rapide) as well as having a SLX clutch type rear derailleur. I haven't shortened the chain, 116 links, but when putting force down while pedalling I hear a crunching,grating noise. Upon investigation i can see that the chain is being pulled up, almost like chain suck, a little on the underside of the front chain ring. Is this because the chain is too long and needs to be shortened slightly to create more tension? Is it just the new chain on the NW chainring? Has anyone had a similar experience?
Vetseun Posted June 2, 2015 Posted June 2, 2015 I did mine and didnt shorten the chain.Ive had no issues at all. If you check kalbo site under FAQ's they explain how to check if your chain is too long.
Ryanpmb Posted June 2, 2015 Posted June 2, 2015 I still apply the old school theory of biggest rings plus 2 links. So chain around the 42 rear and 32 NW, plus 2 links.
NukeproofPeanut Posted June 2, 2015 Posted June 2, 2015 Make sure that your quick link is fully locked in if you are using one.
Fisan Posted June 2, 2015 Posted June 2, 2015 Hi guys, I have a query. I recently popped on a 42t Kalbo expander sprocket to a new XT cassette and chain and am running a 32 tooth NW front chain ring (Rapide) as well as having a SLX clutch type rear derailleur. I haven't shortened the chain, 116 links, but when putting force down while pedalling I hear a crunching,grating noise. Upon investigation i can see that the chain is being pulled up, almost like chain suck, a little on the underside of the front chain ring. Is this because the chain is too long and needs to be shortened slightly to create more tension? Is it just the new chain on the NW chainring? Has anyone had a similar experience? Whats your chainline / chainring / crank setup?
batmobile Posted June 3, 2015 Author Posted June 3, 2015 Koei - 46mm chainline, 32 tooth chainring, XT crank, threaded BB with the drive side spacers removed.Stoke - it's about 6 months old.
GiantSpez Posted June 5, 2015 Posted June 5, 2015 There is a B screw on your derailer turn it all the way in. Problem solved
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