Realizzazione Corone per Strada e Mtb
for SHIMANO DURA ACE 9000 and ULTEGRA 6800 11-speed 11/30 cassettes
the original 30T cog can be replaced with a cog with same number of teeth, an ARI 30T cog, as spare part, without any additional modification on your
bike
for the upgrade you remove one cog choosing among 11T, 13T, 14T, 16T or 18T cog to be replaced with an ARI 32T or 34T, without any additional
modification on your bike
replacement is easy and fast
material used is ERGAL 7075T6 hard anodized
the range of colors is available in the color chart
ARI COG FOR SHIMANO 11s. 11/30
ROAD CASSETTES
Ari spare/upgrade cog for SHIMANO ULTEGRA 6800 11s. cassette
Ari spare/upgrade cog for SHIMANO DURA ACE 9000 11s. cassette
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mounting
cod. 448 € 85.00
cod. 449 € 85.00
weight of 30 teeth cog is 38 grams
weight of 32 teeth cog is 42 grams
weight of 34 teeth cog is 46 grams
weight of the original SHIMANO 30teeth cog is 41 grams