Bike Setup: kona stinky 05, manitou stance forks, marzocchi roco rear damper, atomiclabatories wheel set
a Cross Country Rider
from South Africa
Date Reviewed: July 12, 2008
Strengths: Good weight, lasts long. Best value for money.
Best value for money. My first one 1 year old. No problems. Got another for a second wheelset. No problems. Cleans easily, clean shifts. Smooth. Strong. Get it. (In combo with a good deraillear and shifters)
Strengths: Shifts great, lightweight, stays clean inside better now that it uses the aluminum spider (which is really just a cosmetic plus)
Weaknesses: Sometimes the chain jumps over the largest cog into the spokes (has only happened a couple times). The cassette has rivets to hold the large cog on the spider, and those rivets are not quite thick enough to keep the chain from going down past the cog, wedging awkwardly under my cassette (in a space that didn't exist until this spider design came out). Yet the rivets are the perfect thickness to hold the chain in there and give you a hell of a time trying to get the chain back out. When I say a hell of a time I mean 10 minutes of struggling and hoping you don't break the chain or cassette or your derailleur from all the pulling. But I have gotten it out each time with no damage. Shimano needs to make the rivets either thicker OR thinner to solve this problem! Personally I just don't shift into the first cog anymore, I find that at my slower than average cadence, 2nd gear is better in even the steepest climbs, because any slower and I'll be fighting to keep the bike pointed uphill. In other words I use only 8 speeds which is another problem, these should have different gearings available than just 11-32 or 11-34.
2nd problem is worse, somehow the 2nd smallest cog doesn't grip the chain. 7th and 9th work perfectly, but any significant power in 8th gear and the chain skips. It is a real PITA when riding to the trail head, it seems as though every stop sign I pull away from I'm in 8th gear unless and it skips like crazy. I don't know how it got this way, but I haven't been very hard on it nor is it very old.
It sounds as though the newer spiders have 5 arms and these haven't been bending the large cogs like the 4 arm spiders they were originally making. I also haven't had any trouble with it developing play, with approx 100 hours on the cassette.
I would buy it again. It seems although they aren't perfect they're still the best I've ever used (besides my ultegra which is flawless, but I think that's because medium cage road derailleurs give you better chain wrap).
Similar Products Used: ultegra 9 speed, deore hg-50, bmx freewheels.
Bike Setup: hardtail 3x9, sram long cage rear derailleur and sram chain.
a Weekend Warrior
from Yigo Guam
Date Reviewed: March 22, 2008
Strengths: Light wieght, well built. Just looking at it copared to lower end cassettes and you can tell that there is qaulity built in to this cassette
Weaknesses: My spoke protector would fit with this cassette. Yah some say spoke protectors are overrated, but have you ever had to pull your derailer out of your spokes ten miles from home. Yes that can be a long walk
I picked this cassette up on EBay, it was a package deal with an HG93 chain. I've rode my bike with this set up for two races. So far the performance has been flawless. Here in Guam there is not a lot of flat land and all the riding in up/down hill. Some of the people I race with use this same cassette and have had no issues. And in case you’re wondering I'm 180lbs and regularly tackle 5% and up grades on this bike. I'm not sure on the longevity yet, you know how that goes, you can have it heavy and last a long time, or you can make it light for racing and expect to replace it at least every season or sooner depended on how hard you ride. Light weight means it will fold up on you if you are a hard rider, most racers aren't. Bottom line: I like it; it works for me but may not work for you.
a Cross Country Rider
Date Reviewed: February 19, 2008
Strengths: shifts well, looks good
Weaknesses: developed play on the hub, damaging both
This is easily the worst casette I ever had. And I had quite a lot during my last 15 years of biking. After no more than a week or two of intense riding it developed considerable play on the freewheel. You could move the cogs clockwise and counterclockwise on the hub without dismounting the casette. Now, this is not something I'd expect from XT. The brand new, matching XT hub was damaged beyond repair as the casette mounting rails were all bruised by the casette. I appreciate XT/XTR shifting and all but their casettes have turned from very good to absolute crap in just a few years.
Bike Setup: I have all shimano deore m760 xt componets. Front and rear derailleur, the cassette, brake/shifter combo and hollowtect crankset.
from West Milford, NJ
Date Reviewed: February 14, 2007
Strengths: Light weight. Looks great. Positive shifts even under load.
Weaknesses: Upper cogs are weak.
Any side load on the larger cogs and they bend like tin foil. They can be straighted out, but not on the trail, so you better not need the top cogs to finish a ride. The first time it happened I didn't know what was wrong. The chain was skipping all over the place. I've heard that a lot of riders are opting for the 8 speed for the extra strength. If you like a good looking cassette, buy it. If you prefer reliability over looks, avoid it.
Similar Products Used: Sram and other Shimano stuff over the years.
Bike Setup: Cruz Super light XT drive train. Avid mechanical disc. Reba Race fork. Fox Float shock.
a Weekend Warrior
from Davis, CA
Date Reviewed: December 10, 2006
Strengths: Easy to find, and very common
Weaknesses: WEAK larger gears. I don't know if it is the fault of the 4-arm carrier, or the material of the gears. On the second ride of my new bike, I bent the second largest gear like it was butter. And was doing nothing more exciting than - you guessed it - changing gears. First time in 30 years of riding that I've ever bent a cassette gear, and I bent it GOOD. Yes, I can bend it back to *almost* where it should be, but what gives? This is the XT level? One from the top? Please. I just swapped it out with a SRAM 990, and the five arms and sturdier gears at least look like they'll stand up to far more miles. I honestly haven't had a chance to ride it yet, but here's hoping.
With my initial experience, I would not buy another one of these, and wouldn't recommend that others buy it either. I'm running SRAM chains now, so I might as well try out the cassette as well. I really can't imagine how Shimano is selling these things. When I hear others complain about big-name components that bend easily, etc. I usually just gloss over the review and move on. And here I am reporting the same thing that I really didn't believe. I've never bent ANY other cog set, and I only manged about 20 miles on this one before it flopped over on me. I thought I'd broken my derailleur when it happened. Just amazed the hell out of me, and crapped all over my ride.
Favorite Trail: Any that I have time for and that I don't bleed from
Duration Product Used: Less than 1 month
Purchased At: Performance
Similar Products Used: SRAM 990
Bike Setup: http://darelldd.com/darell/voodoo.htm
a Cross Country Rider
from land o lakes, fl, usa
Date Reviewed: July 2, 2006
Strengths: I can replace it easily and quickly every time it bends or otherwise fails (I have gottn good at this thru repeated practice)
Weaknesses: weak, weak, weak larger cogs; cost for quality is not a good deal
I have used xt 9 speed GARBAGE on my "good" rig since new in 1999. I have gone through 5 xt cassettes, with failures including a broken tooth on my very FIRST ride and bent larger cogs on every single one of these p.o.s. cassetes. The bendage usually occurs within the first 6 months of use. I have been successful at un-bending them in some cases, but that is very temporary.
Similar Products Used: 1 lx 8 speed cog for the entire life of my #2 bike. 2-3 years of serious off-road use and 5-6 years of paved trail / neighborhood beater use
Bike Setup: ti hardtail, marzocchi fork, truvativ cranks, bontrager race wheels with king hubs
a Cross Country Rider
Date Reviewed: May 16, 2006
Weaknesses: quickly develops play on brand new Chris King free hub.
This review is for two, XT 760, 11-34 cassetts. I weigh about 215 with gear and ride mostly XC. I have been riding for about 10 years and have never put alot money or thought into cassetts, that is until I decided to switch from the 11-32 XT to the 11-34 XT. My 11-32 was a 750 model and I never had any trouble with it. The 11-34 XT 760's began developing play on the free wheel hubs after a few rides. I have used shims and done all I know to do but I cant keep this Cassett from moving on the King hubs. I had chain slipping issues as well but this all began after the looseness developed. I cant say for sure I bent any specific cogs but I can say for sure that this cassett will develop play, and for what reason, I dont know. Please feel free to pass along any information you have concerning this issue to me. I am going to accept the failures as cheaply made products under higher stress than designed until someone enlightens me.
Bike Setup: RX100, King Hubs, 719XM rims, RLT100, RP3, Thomson, XT, Avid SD SL, 959
a Cross Country Rider
from Portland, Oregon, USA
Date Reviewed: May 9, 2006
Strengths: Light, good shifting. Looks nice.
Weaknesses: This product is weak! Third lowest cog bent and warped on two separate cassettes in the same place!
I see that I'm not the first to have problems with this cassette bending and wearing fast. Some of those other riders mention that they are on the heavier side. Well I only weigh 160lbs, probably 175 with a camelback on and I have now bent two separate XT cassettes in the same place, both times within the first 50 miles on the cassette. I also find it funny that the same ring bent both times--the third lowest gear on an 11-32 cassette. In both cases the cog has bent toward the higher (smaller) cogs, and I don't mean one tooth. The entire arc from one attachment pin on the spider to the next was bent a few millimeters, causing it to not shift and worse. I climb ridiculously steep things sometimes, but come on! On the first cassette this happened to I actually was able to carefully hammer the bend out of the ring with a hammer and a screwdriver and it worked fine for the rest of the cassette's life. I'm going to try it on this one too. I'm slowly losing my faith in Shimano. I love the way the stuff shifts, but the parts that wear, like cassettes and chainrings, just don't last for *%$#. My middle XT chainring lasted literally 300 miles! And I clean my drivetrain religously and change all my drivetrain parts at the same time. I may try a SRAM cassette next time.
Are XT CS-M760 sprockets from Aq and As groups interchangeable?
Namely, I've got a new 760 cassette with 11as-12aq-13as-15as- & 18->32aq spider
Shifting is o ... Read More »
I have a 1996 Giant ATX-880 with the original ST-Cranks and ST-Shifters... I've upgraded the wheels to a set with XT hubs and currently have two wheel-sets setup with XT 737 8-Speed Cassettes... one for commuting and the other for MTB... I'm currently using an IG style chain.
I'd like to instal ... Read More »
I just bent the largest and next largest (1 & 2) on a 11-34 XT cassette. This one was new in January, replacing one that I bent 2 & 3 on. Both have a 5 arm carrier. I am using an XT chain and dérailleur. I realize that I am just a huge power machine:skep: , but why do these keep bending. Never had ... Read More »