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Spiderless chainrings share exactly same tooth shape as my narrow/wide chainrings, so it helps a long way. Clutch mech is really essential here.
But with narrow-wide rings i offer, you don't even have to have clutch mech in order to get it to work. So i will offer 2 types of chainrings simultaneously:) at least you will have an option if you decide to push the limits on your bike.
Btw, great weight achieved on that Scott. I got my Top fuel 9.9ssl down to 9.2kg and just love the way how such light bike perform in really demanding terrain.
Tried my Absolut Black DM chainring today in a race - riding in top10 and then dropping the chain and 30 riders goes by. Got the chain back on and chasing and beginning to catch up around top 15-25 and then dropping the chain again Dropped in 4 times in a 42 km/1 hour 59 min race. Other than what the upper bearing on my headset also broke - what a bad race. I finished 20th out of 400 starters but strange about the chaindropping because it never happened before.
Regardless please get back to me in few weeks and i will have for you narrow/wide version of same chainring. This will solve all your problems as till today i have not had customer with my Shimano xx1 style rings who dropped chain.
It was dry but pretty bumpy - I'm using a KMC X11SL chain. I know you have stated that the KMC chain doesn't work but I thought this was for narrow/wide version - anyways, I just really surprised that I have had quite a few trainingrides with this setup - riding even more bumpy tracks and never had a problem before and then suddenly the problems started. That is strange?!
Sram and Shimano chains does not have this problem as they use standard size of rollers in the chain and for those i was designing tooth profile.
KMC is aware and they are working on it in order to fix the issue.
I understand you - I just think it's strange that I have ridden in some mild mudconditions with no problems a couple of times and then it just began. I will try with an XX1 chain
Bike was equipped with 38T shimano xx1 style chainring, older version of X-0 rear mech with short cage (non clutch) and a bit too long chain. I only used bottom half of the cassette to create more slack on the chain, to show that even this is not enough to drop the chain.
Watch in full HD!
Anyway - did a 40 km singletrack ride today with lots of roots. With the Sram XX1 chain - didn't drop it once so great. Only 11 grams heavier than the KMC X11SL.
My chainrings with wide and narrow teeth will not loose you a chain. We have tried a LOT. The only situation you will drop it is a major crash to a tree or bushes. But then you are not riding anyway:) so it does not matter.
Will have narrow/wide spiderless rings in 4 weeks for those who are interested.
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