Originally Posted by
Snowflake6
FYI -
SRAM S300 is a two-ring hub according to the manufacturer. SRAM doesn't show it on their site, but it appears that there's an S300 1.1 (or sometimes called S300 Courier) for sale as well, i've seen both names on various vendors' websites. I'd about decided that an S300 would make sense, until I came across the Vuelta.
For some reason the S300 Courier has never been listed on Sram's website.
I have a Vuelta Pista crankset on my rain bike. It's alright for the money but the chainring is shaped more like an egg than a circle.