gongmech Posted August 20, 2017 Posted August 20, 2017 I just recently upgraded to a 1x10 with a 32 ring up front and went 11/42 at the rear. The problem is my chain now keeps hopping off my chainring when speeding down bumpy hills.I'm assuming its because I did a conversion and dont have a roller bearing clutch rd. Will a chain catcher work to eliminate this problem?
Skylark Posted August 20, 2017 Posted August 20, 2017 You might have got the chain length wrong, a little too long. Bumpy hill shouldn't take the chain off.
m-squared Posted August 20, 2017 Posted August 20, 2017 Yup, chain is probably too long. Clutch derailleur helps as well and not sure if you're running a NW chainring? Sent from my SM-G935F using Tapatalk
Skinnyone Posted August 21, 2017 Posted August 21, 2017 If you don't have a N/W ring and a clutch RD then you WILL need a chain device in front.
NotSoBigBen Posted August 21, 2017 Posted August 21, 2017 In my experience you can get away with just a NW chainring and a 'clutchless' derailleur and only get very occasional chain 'pop' but make sure the chain length is correct (i.e. the shortest you can get away with). But as mentioned without a NW you will need at least a chain guide. Sent from my LG-D958 using Tapatalk
100Tours Posted August 21, 2017 Posted August 21, 2017 I would go for a chain guide rather than a chain catcher (CSixx makes a pretty one - the plastic version, not carbon), a chain catcher is more designed to work with a front derailleur in place. I'm also riding 1x10, and with a wide/narrow ring and a clutch-type rd. This works almost all of the time but I have issues when riding in mud - in my case a muddy chain pops off in the biggest gear, probably because the chain 'suppleness' is reduced in muddy conditions.
Martin PJ Posted August 21, 2017 Posted August 21, 2017 I used to have this problem with a non clutch derailleur. I realised that I was slightly backpedalling on downhill sections, this would cause the chain to drop. Now I have correct this mistake and the problem appears to have gone away. I agree that the chain length must be right. If it doesn't look a little tight on the big cog, then it is too long.
droo Posted August 21, 2017 Posted August 21, 2017 If your RD doesn't have a clutch, you're going to need a top guide. Either that or you'll have to stick to gravel grinding.
gongmech Posted August 21, 2017 Author Posted August 21, 2017 Yup, chain is probably too long. Clutch derailleur helps as well and not sure if you're running a NW chainring? Sent from my SM-G935F using Tapatalkyup running NW. chain doent seem too longMeasured the usual way.
gongmech Posted August 21, 2017 Author Posted August 21, 2017 thanx guys will try the chain guide thingy
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