Renthal SR4 chainring review£39.99

Moto-inspired ring

BikeRadar score4.5/5

Motocross legends Renthal have got a lot of people excited with their new mountain bike chainrings.

The SR4 is every bit as good as you’d hope too. Its drilled, machined and hard anodised looks are fantastic. It’s rock solid, feeling like a complete crank upgrade to several of our testers.

It’s showing minimal signs of wear and tear despite a weight of only 43g for our 32-tooth sample, but then it is double the price of most options.

It’s for a single-ring setup only, but if that’s what you want it’s straight in as our top-ranked ring.

Guy Kesteven

Freelance Writer, UK
Guy started filling his brain with cycle stats and steaming up bike shop windows back in 1980. He worked the other side of those windows from '89 while getting a degree in “describing broken things covered in mud" (archaeology). Dug historical holes in the ground through the early '90s, then became a pro bike tester in '97. Guy has ridden thousands of bikes and even more components the world over since then and can remember them all in vivid, haunting detail. Can't remember where the car keys are, though.
  • Age: 45
  • Height: 180cm / 5' 11"
  • Weight: 68kg / 150lb
  • Waist: 76cm / 30in
  • Chest: 91cm / 36in
  • Discipline: Strict sadomasochist
  • Preferred Terrain: Technical off-piste singletrack and twisted back roads. Up, down, along — so long as it's faster than the last time he did it he's happy.
  • Current Bikes: An ever changing herd of test machines from Tri bikes to fat bikes and everything in between.
  • Dream Bike: His Nicolai Helius AM custom tandem
  • Beer of Choice: Theakston's Old Peculier (not Peculiar)
  • Location: Yorkshire, UK

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