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Spreng Reng 2.0 – Can This Chainring Make You Climb Faster?

There's a lot of debate about the science and benefits of oval chainrings, but PEZ's Chuck Peña is a "non-round" convert.  It's maybe not bad company to keep - as 3 x Tour winner Chris Froome likes 'em too. Chuck's been riding a pre-production version of the Spreng Reng 2.0 "quasi-heagonal" chainring and offer PEZ readers his first impressions.