Fleming Posted October 21, 2016 Share I see Sunrace has 2 wide ratio 11-40t 9 speed cassettes. Anyone have any experience with these? My understanding is that a typical Shimano or SRAM 9 speed derailleur cant handle such a range so what are these cassettes for? I am interested in going 1x9 on my old Kona and would love to use one of these but have concerns. I have scoured the net but cant seem to find much first hand info on these cassettes. See links below: http://www.sunrace.c...s/detail/csm980 http://www.sunrace.c...s/detail/csm990 http://www.sunrace.com/files/catalog/thumbs/424.jpg Link to comment Share on other sites More sharing options...
Josh0 Posted October 21, 2016 Share Hi Fleming I have a Sunrace 11-42, 10 speed cassette and use it with a SRAM X9 medium cage mech. It works flawlessly, and the quality is very good. Do not worry it will work with you SRAM/Shimano mech, it may just need a bit of tuning to get it perfect. Link to comment Share on other sites More sharing options...
Martin PJ Posted October 21, 2016 Share https://www.aliexpress.com/item/11-40T-SunRace-9-Speed-Bike-Freewheel-Wide-Ratio-bike-bicycle-mtb-freewheel-Mountain-Bicycle/32718652875.html?spm=2114.01010208.3.299.tn7bNh&ws_ab_test=searchweb0_0,searchweb201602_3_10065_10068_10069_10084_10083_10017_10080_10082_10081_10060_10061_10062_10056_10055_10054_10059_10078_10079_10073_10070_421_420_10052_10053_10050_10051,searchweb201603_8&btsid=c6f8e606-512c-4ad7-8544-5b0e6faddb8f Link to comment Share on other sites More sharing options...
Schnavel Posted October 21, 2016 Share I also have the 10 speed version and use a XTR RD. I just installed the longer limit switch provided with the cassette and it works perfectly. Speak to Wayne from Rapide if you have any questions - brilliant customer service and he has all the answers with regards to these cassettes. Link to comment Share on other sites More sharing options...
Martin PJ Posted October 21, 2016 Share My son uses Sunrace 10 Speed Wide Range 40-11 with SRAM X9 medium cage derailleur. It works very well. Link to comment Share on other sites More sharing options...
Fleming Posted October 21, 2016 Share My concern come from the fact that when most 9 speed derailleurs where developed the largest range cassette was 11-34 or 12-36. These derailleurs were not designed with such a wide range in mind. I think 10 speed derailleurs were developed to handle the wide range. I have no doubt that the 10 speed Sunrace cassettes will work fine. Link to comment Share on other sites More sharing options...
Amberdrake Posted October 21, 2016 Share 10 speed were not originally designed for "Wide range" the adapter cassettes use longer limit screws.new 1x drive trains are designed to support it but these are only around short period of time now. Link to comment Share on other sites More sharing options...
Martin PJ Posted October 21, 2016 Share My concern come from the fact that when most 9 speed derailleurs where developed the largest range cassette was 11-34 or 12-36. These derailleurs were not designed with such a wide range in mind. I think 10 speed derailleurs were developed to handle the wide range. I have no doubt that the 10 speed Sunrace cassettes will work fine. I would agree with Amberdrake, most of us using the wide range cassettes are using with 10 speed derailleurs designed for maximum of 36 teeth. The longer limit screw seems to overcome the problems that you may have. Link to comment Share on other sites More sharing options...
Odinson Posted October 21, 2016 Share My concern come from the fact that when most 9 speed derailleurs where developed the largest range cassette was 11-34 or 12-36. These derailleurs were not designed with such a wide range in mind. I think 10 speed derailleurs were developed to handle the wide range. I have no doubt that the 10 speed Sunrace cassettes will work fine. Keep in mind that most of the 9-speed drivetrains were used with a triple chainset, with ranges such as 22-32-42; so those derailleurs can take a stretching. I think they'll be fine to spend time on a 40t at the back, with a 32t or 24t up front. Link to comment Share on other sites More sharing options...
cvancoillie Posted October 21, 2016 Share I have had the 9sp 11-40 on my bike for nearly a month and everything works well. My rear derrailleur is an XT long cage, because my normal setup is 3x9. I am testing the 11-40 as if a 1x9, by only using the 32t middle front ring. Nothing other than the cassette was changed. My chain is working without any length adjustment, and no new screws were used on the derailleur. Martin PJ 1 Link to comment Share on other sites More sharing options...
Fleming Posted October 21, 2016 Share I have had the 9sp 11-40 on my bike for nearly a month and everything works well. My rear derrailleur is an XT long cage, because my normal setup is 3x9. I am testing the 11-40 as if a 1x9, by only using the 32t middle front ring. Nothing other than the cassette was changed. My chain is working without any length adjustment, and no new screws were used on the derailleur.Thanks for the feedback. Sounds good. Link to comment Share on other sites More sharing options...
Niel Strydom Posted May 5, 2017 Share Thanks for the feedback. Sounds good. Thanks for the feedback. Sounds good.Hi, where can I buy the sunrace 9sp 11-40 cassette in SA? Any online shops you know of maybe? Link to comment Share on other sites More sharing options...
spags Posted May 9, 2017 Share Hi, where can I buy the sunrace 9sp 11-40 cassette in SA? Any online shops you know of maybe? Hi there, I bought mine through "Outdoor escape stellenbosch" www.outdoorescape.co.za Link to comment Share on other sites More sharing options...
Fleming Posted May 9, 2017 Share Yup, got mine from the same place. Sent from my HUAWEI GRA-L09 using Tapatalk Link to comment Share on other sites More sharing options...
vmalmgren Posted May 26, 2017 Share Assuming you have the appropriate rear derailleur, is there any reason you couldn't use this cassette with a double crank (39/26), or does it have to be a 1x? Link to comment Share on other sites More sharing options...
Fleming Posted May 30, 2017 Share I see no problem why it wouldnt work, as long as your derailleur can handle the range. I get away with a medium cage on my 1x set up so I am sure it would be fine with a long cage. Link to comment Share on other sites More sharing options...
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