[Triple: FSA Gossamer BB30, 30/39/52]
30 X 28 = 28.6 GI
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CASSETTE
Original: 12-25 = 37 to 113 GI
Sprocket Sizes 12-13-14-15-16-17-19-21-23-25
Current: Rear cogs- New: Shimano 105, 11-28, 10-speed [CS-5700]:
Sprocket Sizes 11-12-13-14-15-17-19-21-24-28]
[32 to 120 GI]
New: Deore CS-M771-10
http://bike.shimano.com/publish/content/global_cycle/en/us/index/products/mountain/New_Deore_XT/product.-code-CS-M771-10.-type-.cs_mountain.html
Sprocket Sizes
Sprocket Sizes
11-13-15-17-19-21-24-28-32-36
11-13-15-17-19-21-23-26-30-34
34 = 26.7 to 121.5 GI
36 = 25.1 to 121.5 GI
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