etienne_jordaan Posted February 5, 2017 Share Hi guys, will appreciate some advise or input. I run a 1 x 11 drivetrain, M8000 XT der, cassette and shifter with XTR 960 crank and 34t Absolute Black N/W ring bolted to centre positioin where middle blade would usually be. Niner EMD9 hardtail. I am however experiencing chain drops on a regular basis over rough/corrugated terrain and as you have to stop to put chain back on, gets quite annoying. I've tried the clutch system engaged and disengaged. Is this a common problem or not? I am now seriously considering a chainguide. Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted February 5, 2017 Share Check your chain length... Link to comment Share on other sites More sharing options...
BaGearA Posted February 5, 2017 Share is you clutch engaged? Link to comment Share on other sites More sharing options...
Tatt Posted February 5, 2017 Share As above. Check your clutch! If it is disengaged you will drop your chain most rides. Grey lever should be forward. Tom Link to comment Share on other sites More sharing options...
porqui Posted February 5, 2017 Share Welcome the hubland. Check to see if your clutch is actually working when engaged - there is a marked difference between engaged or not.(Sometimes there is a little plate inside that fails)Is it dropping in particular gears - high or low or anywhere? Link to comment Share on other sites More sharing options...
Grease_Monkey Posted February 5, 2017 Share 1. Check that your cluch is engaged.2. Check that your chain isn't too long.3. If the above fails, invest in a light weight chainguide (top guides). You get many these days that add no more than 50g, and they aren't expenive at all. EDIT: If you buy a chainguide you will have to get one that worka with oval chainrings - Absolute Black make a very nice one. Link to comment Share on other sites More sharing options...
BaGearA Posted February 5, 2017 Share also check if the chain is worn. Link to comment Share on other sites More sharing options...
etienne_jordaan Posted February 5, 2017 Share Thanks for the response guys. 1 Chain is not worn, only couple weeks old and i am in the habit of gauging it regularly. 2 I've experimented with clutch on and off, the clutch does work as the howl drivetrain tightens up when engaged. Personally i don't like the feel of the shifting with clutch engaged but i suppose it's there for a reason. 3 Happens on low gears 11/12 tooth. Makes sense as that's when der cage has least tension and when using those gears you at higher speeds, hence more chainslap etc. Will have a look at chain length. Link to comment Share on other sites More sharing options...
Grease_Monkey Posted February 5, 2017 Share Thanks for the response guys. 1 Chain is not worn, only couple weeks old and i am in the habit of gauging it regularly. 2 I've experimented with clutch on and off, the clutch does work as the howl drivetrain tightens up when engaged. Personally i don't like the feel of the shifting with clutch engaged but i suppose it's there for a reason. 3 Happens on low gears 11/12 tooth. Makes sense as that's when der cage has least tension and when using those gears you at higher speeds, hence more chainslap etc. Will have a look at chain length.If your clutch isn't engaged then you will get drops. Only way to ride 1x without clutch engaged is to have the perfect length chain and a guide. Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted February 5, 2017 Share Thanks for the response guys. 1 Chain is not worn, only couple weeks old and i am in the habit of gauging it regularly. 2 I've experimented with clutch on and off, the clutch does work as the howl drivetrain tightens up when engaged. Personally i don't like the feel of the shifting with clutch engaged but i suppose it's there for a reason. 3 Happens on low gears 11/12 tooth. Makes sense as that's when der cage has least tension and when using those gears you at higher speeds, hence more chainslap etc. Will have a look at chain length.Can you post a pic of the whole drivetrain when in 1st and 11th please. Will be able to see if it's a chain length issue. Link to comment Share on other sites More sharing options...
Christie Posted February 5, 2017 Share I have a similar problem. Chain climbs off at the top of the chainring of my 1x11 xtr drivetrain. I will consider a guide, Shimano makes one that matches my drivetrain - they call it a front deraileur But Im going to try a Wolf Tooth chainring first Link to comment Share on other sites More sharing options...
dewaldsss Posted February 5, 2017 Share Have you checked your chain line?The front chain-ring alignment might be more to the one side causing it to drop. Link to comment Share on other sites More sharing options...
porqui Posted February 5, 2017 Share I have a similar problem. Chain climbs off at the top of the chainring of my 1x11 xtr drivetrain. I will consider a guide, Shimano makes one that matches my drivetrain - they call it a front deraileur But Im going to try a Wolf Tooth chainring first Set your limit screws Link to comment Share on other sites More sharing options...
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