aluminium. MTB.


A Thoroughbred Downhill Direct Mount Stem.

Crafted with aerospace-grade AL6061, the Funn RSX direct mount stem has helped Veronika Widmann onto the World Cup podium four times in 2019.

It is beautifully simple and brutally tough with built-in adjustment to offer 45mm and 50mm lengths.

The Funn RSX direct mount stem is built for World Cup athletes and bike park shredders alike.


  • Made from full CNC’d AL6061
  • Adjustable 45mm / 50mm reach
  • Available in Red / Orange / Blue / Black / Grey


Bar clamp 31.8mm 35mm
Rise 20mm / 30mm 20mm / 30mm
Weight 140g / 160g 137g / 154g
Amazon Customer
“Good Buy! Raises the handlebars and good quality. I like the way it looks in the bike.”