Looking at the new cassettes in AXS groupsets (not to buy just nerding out) and they are now running 10t smallest cog with corresponding smaller chainsets. Why have they gone smaller all round when companies like Ceramic Speed make larger jockey wheels, and all the top TT riders are running larger …

There is a fair bit of discussion on the 10t concept and execution in this thread. What is going on with Sram AXS? (You can search the contents on “10t” to find the specific posts on the topic.)

10t is nothing new and has been around for years now.

The 10t has been in use from SRAM since the introduction of the 1x11 systems, but that was MTB focused. Aside from a few people making frankenbikes, the AXS 10t for a road bike application IS effectively new. (In reading between the lines of the OP, I am guessing his focus is on the road side). As …

On the TimeTrialling Podcast today, the guy behind PCD chainrings mentions hearing that CeramicSpeed found 6W difference in efficiency between a 48x10 and a 53x11 in favour of the 53. I’m not sure why SRAM are pushing smaller rings.

That’s what I was wondering, maybe when 3rd party cassettes are available someone will be able to test identical ratios with 10t and 13t cogs.

I see this a lot for the casual bike rider and want to scream “SHIFT!” when they’re not in the easiest gear. Can’t say the same for those that can afford AXS I’ve been around. By that I also mean people that have gear ratios to suit the demands in terms of desired target power.

Maybe this was the reference. Odd though all variables weren’t kept the same to compare the gear and ring sizes only. They instead compared Sram vs Shimano, complete package. Take from it what you will. [image] Gear Issue: Friction differences between 1X and 2X drivetrains Lennard Zinn …

SRAM 10t AXS cassettes

Equipment

Dave August 12, 2019, 7:44pm 7

Probably due to the fact that most people are pushing gears that are too hard from then. I see many people grinding away and struggling up climbs when it would be much easier in a smaller gear.

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SRAM 10t AXS cassettes

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