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Old 02-04-2014, 03:04 PM   #25
Gnarly Adventurer
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Joined: Jul 2009
Location: Sydney
Oddometer: 178
Did a small study:

IMG_0890 by Baiazid, on Flickr

Gear Ratios F800GS: 42 rear and 16 front. Gives me ratio of 2.625
Wishing my bike to be more snappy. Aiming for ratio 2.75

Bad combo: 47R/17F R=2.764. Need to change chain as well, 116 links will not be suffice

Note that only 41/42/43/47 are common. 44 is rare and costs $127
Found that 41R/15F will give me 2.73, close enough to 2.75

44R/16F is exactly 2.75 but $127 ...
41R/15F will cost me cheap $43+$34 = $77

Ordered 41R/15F and will see how it goes...
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