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Shimano hanger adaptor upto 40t cassette

by CXR94Di2
Thu, Aug 06, 2015 07:56
6

After all my little efforts to make an extended hanger, this sneaky company has made a snazzy adaptor. Looks very good 4

http://www.bikeradar.com/road/news/article/expand-your-road-bikes-gearin...
Only a few quid

Mine cost a little more once Cad was priced in! My design is a little more elegant 4

https://www.dropbox.com/s/rwtbdlnury70s2s/WP_20150804_08_58_30_Pro.jpg?dl=0

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6 comments

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Beefy | 9 years ago
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You made a great piece of kit, Do you use a MTB cassett? Is the spacing compatable with road shifters?

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CXR94Di2 replied to Beefy | 9 years ago
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Beefy wrote:

You made a great piece of kit, Do you use a MTB cassett? Is the spacing compatable with road shifters?

My road setup is 11 speed and I bought the Shimano XTR 11-40 11 speed. Yes all spacing works fine.

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exilegareth | 9 years ago
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I've got an old Defy 4 with 8spd Claris setup that could definitely benefit from something like this

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fukawitribe | 9 years ago
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Thanks for all the info, hadn't fully the time and effort (and cash...) that'd gone into it ! Still, cracking setup and definitely something i'll try. Slowly working my way up some Tacx climbs - and with my knees and borked left leg i'll need some help, that's for sure. I'll give the RoadLink a try if a longer/reversed B-screw doesn't work on the RD-6800 GS - worth a punt.

Cheers again, have fun on the climbs !

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CXR94Di2 | 9 years ago
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From memory my Shimano setup worked upto 35T with B screw tension increased. A longer screw is sometimes required(local nut and bolt supplier have them in stainless steel)
You would need a long cage derailleur for sure.

Re Cost
Yes it was not a cheap exercise, I went with a laser scanning reverse engineering company to create the CAD, tidy up my design, then had the items made, 3 parts.

I wanted the hangers to be perfect so cost wasn't the factor holding me back from going through the experience. I would try this new adaptor, as its very cheap compared to my costs, let say ~£75 per part! Gulp

Context though, I have just spent £150 on an aero helmet for a few seconds time improvement 35 Crazy we cyclists are

But look what I have ended up with, a road bike with mountain bike gearing that will go up anything with ease- no more grinding out on the steepest of hills, so if hills are your thing go for it 4

I have literally taken delivery, they are great, a bonus is that an extra one is the box
So if anyone fancies trying a 40T cassette let me know( it will be cheaper than I paid to have it made). The hanger type is for a Boardman D87 see image below of original hanger and my creation

https://www.dropbox.com/s/todpo58d1i1w70u/2015-08-06%2012.45.49.jpg?dl=0

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fukawitribe | 9 years ago
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Looks like you have the edge on practicality as well, at least as far as the manufacturers are willing to hold their hand up to

11s Cassette Compatibility:

  • 11-32: Not Required
  • 11-36: Single or Double Chainring
  • 11-40: Single Chainring
  • 11-42: Not Supported
  • 10-42: Not Supported

    • ..and looks of course, seriously nice bit of kit you've ended up with !

    Thinking of which, I was going to ask a while ago if you could get some hangers made up and, if so, how much might it cost. I still might go the hanger adaptor route so I could use a 40T in future, but I was also toying with the idea of getting a SRAM PG-1170 11-36 and wondering whether I could fit that just winding the B-screw out (or getting a longer one). When you did you conversion I think you mentioned you got the 40T setup on the B-screw but with dodgy shifting - if so, don't suppose you remember whether it was possible to shift OK onto the 36T ? If not, would you consider getting another hanger machined ? Expensive ?

    Cheers
    Tim

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