Ultegra Cog

More product description:
JY {gujy4VekEy #:nc&. They've been riding with a Dura Ace 12-23 cassette, and now that the fall temperatures are here They thought They'd try a new Ultegra 6600 12-25 cassette for my same route since my legs don't perform as well in the 40's on my 24-mile loop. But that is just speculation. They just tried a Wipperman on a brand new DA/Ultegra setup and it sounded like there were pebbles in the cogs. They also ride with a 50/39 and 180-mm Dura Ace 7800 crankset, FWIW. The race proven design and durable chrome plated finish help ensure years of hassle free performance. SunRace 12-30 8 Speed Cassette -- SunRace the company that makes cassettes and shifters for many of the industry's top companys now offers the same great quality in their house brand. Because not all teeth have ramps (impressions), perhaps you missed seeing them on the Ultegra cassette.