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Shimano M820, No Chain Guide. How Risky?

Downhillbiker23

Downhillbiker23

Monkey
Aug 25, 2011
526
0
West Milford, NJ, 'MERICA
Hey there Riding Monkeys,

Who on here has ridden an M820 dereailuer without a Chain Guide? I know it says online you can run it without a guide since it has the clutch but who is brave enough to try it?

I have an M820 going onto a 2014 Glory, to guide it or not is the question on the table. Someone weigh in
 
vincent

vincent

Monkey
Aug 22, 2004
180
17
Bromont, Quebec
I rode my dh bike wihtout the chain guide's lower pulley for several months with no dropped chain.

When the chainguide broke, I could not replace it before my race run and just decided to tighten the clutch and give it a go. It went well so I had no reason to replace the pulley.
 
manhattanprjkt83

manhattanprjkt83

Rusty Trombone
Jul 10, 2003
9,646
1,217
Nilbog
Downhillbiker23 said:
Ya that's beside the fact. I have no lower jockey wheel. I used it
Like that basically all last season.

Now I got nothing
Click to expand...
I think this is a legit question...IMO from riding rough AM/Trail riding without any sort of guide and a narrowide, you could ride dh with a clutch, narrowide, top guide no problem...I hate complication and think a clutch w/ an e.13 xc1 or similar would work out just fine for your average rider...

I could be totally wrong but from my experience it seems like a solid combo.
 
O

OBB

Monkey
Sep 25, 2008
157
3
Been testing this lately. No guide, narrow wide ring and a saint clutch RD. Riding DH trails on the shore and Mt. Prevost and no dropped chains. Would I risk it for a race? No way. I have no problems running this setup for any other time. It will be interesting to see how this setup fares at whistler.

I do recommend either a bash guard or a taco/slider setup. No sense in ruining an expensive chainring or crankset.
 
manhattanprjkt83

manhattanprjkt83

Rusty Trombone
Jul 10, 2003
9,646
1,217
Nilbog
OBB said:
Been testing this lately. No guide, narrow wide ring and a saint clutch RD. Riding DH trails on the shore and Mt. Prevost and no dropped chains. Would I risk it for a race? No way. I have no problems running this setup for any other time. It will be interesting to see how this setup fares at whistler.

I do recommend either a bash guard or a taco/slider setup. No sense in ruining an expensive chainring or crankset.
Click to expand...
Keep us posted once you get some Whistler laps in, interested in seeing how it fairs there. I agree, noway for a race run, but for regular riding, less parts the better IMO.
 
B

banj

Monkey
Apr 3, 2002
379
0
Ottawa, Ontario
I ran a narrow wide with shimano zee setup on my trail bike last year with zero issues. I ended up using my trail bike for my last few dh days last fall after destroying the rear dropout on my dh bike. Still didn't have any issues.
 
Samoto

Samoto

Guest
Dec 16, 2013
402
0
what conditions are typical when you drop a chain? running only N&W would make the ride more fuss free.

If running only a bashguard and get same dropout rate as with top guide, it would make the setup simpler. But I dont know which I prefer, slider/taco is more useful when you get hit by rocks and still hold cranks straight.
 
manhattanprjkt83

manhattanprjkt83

Rusty Trombone
Jul 10, 2003
9,646
1,217
Nilbog
I have a clutch saint sitting here, I think i am going to put a narrow/wide ring on my bike and run it sans guide this summer and see how it goes. I'll be spending some time at whistler so we will see how it goes. I love simple, I actually run my DH bike singlespeed, and have always wanted to get rid of the guide...
 
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