On Friday, August 26, 2016 at 2:17:39 PM UTC-7, Tim Butterfield wrote:
>
> Steve,
>
> I like your Century Special 13-30 range.  That may be something for me to 
> aspire to.  I'm not really sure of what I need for a low gear.  I like the 
> idea of the 18 given my currently weakened state.  As I build strength and 
> endurance, a higher low gear that allows closer spacing may be preferred.  
> I guess I'll know when I get there.  :)
>

Another option is Shimano also sells its HG-50 9 speed cassette in 11-30 
with gear ratio: 11-12-14-16-18-20-23-26-30 teeth

Now, you may not need that 11t cog, but if your front rings are small, it 
could come in handly. Further, at about $18, it's a good deal too:

http://www.wiggle.com/shimano-hg50-9-speed-cassette/

http://www.chainreactioncycles.com/us/en/shimano-sora-hg50-9-speed-road-cassette/rp-prod387

Good Luck!


On to some great news:  Now that I've selected the 3x9 with bar ends that 
> Riv stocks, my build should be done today and ship around Tuesday of next 
> week.  Yeah!  :D
>
> Thanks again everyone for the continued education.
>
> Tim
>
> On Fri, Aug 26, 2016 at 1:58 PM, Steve Palincsar <[email protected] 
> <javascript:>> wrote:
>
>>
>>
>> On 08/26/2016 04:43 PM, Tim Butterfield wrote:
>>
>> On Fri, Aug 26, 2016 at 10:32 AM, Steve Palincsar <[email protected] 
>> <javascript:>> wrote:
>>
>>> I'm not seeing a 9 speed 12-36 cassette, although I do see a 12-34. 
>>>
>>
>> This page has the option for 9 speed 12-36t cassette.
>> http://www.rivbike.com/product-p/cs.htm
>>  
>>
>>
>> Ah.  I see it now.
>>
>> 12 - 14 - 16 - 18 - 21 - 24 - 28 - 32 - 36
>>
>> gives you this gearing with a "nominal 27 inch wheel"
>>
>> 54.0 81.0 103.5 
>> 46.3 69.4 88.7 
>> 40.5 60.8 77.6 
>> 36.0 54.0 69.0 
>> 30.9 46.3 59.1 
>> 27.0 40.5 51.8 
>> 23.1 34.7 44.4 
>> 20.3 30.4 38.8 
>> 18.0 27.0 34.5 
>> so that 122 or whatever must be an error of some sort.  103 is far more 
>> reasonable and usable, although to my taste, I'd prefer it a bit lower.
>>
>> Changing the 1st position sprocket to a 13 would give you this instead:
>>
>> 49.8 74.8 95.5 
>> 46.3 69.4 88.7 
>> 40.5 60.8 77.6 
>> 36.0 54.0 69.0 
>> 30.9 46.3 59.1 
>> 27.0 40.5 51.8 
>> 23.1 34.7 44.4 
>> 20.3 30.4 38.8 
>> 18.0 27.0 34.5 
>> Here's what my Century Special 13-30 looks like with those same chain 
>> rings:
>>
>> 49.8 74.8 95.5 
>> 46.3 69.4 88.7 
>> 43.2 64.8 82.8 
>> 38.1 57.2 73.1 
>> 34.1 51.2 65.4 
>> 30.9 46.3 59.1 
>> 27.0 40.5 51.8 
>> 24.0 36.0 46.0 
>> 21.6 32.4 41.4 
>> I have this on several bikes, some with 48 instead of 46 T big rings, 
>> some with 26 instead of 24T inner rings.  I really like the 95.5" top gear 
>> and the spacing between the top gear and the next one down.  
>>
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>

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