Portal Stem

Portal Stem
Portal Stem
Portal Stem
Portal Stem
Portal Stem
Portal Stem
Portal Stem
Portal Stem

Portal Stem

Clamp Diameter
Regular price €79,99 Sale price €62,99
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A modern MTB stem with BMX influence. The Radio Portal MTB stem is fully CNC machined from 6061-T6 alloy, and utilizes larger BMX style 6mm hex bolt and our "Vice Jaw" clamping system ensuring your bars never move even when things get choppy. Available in three reaches including a super short 32 mm option for super fast barspins and your choice of 31.8 mm or 35 mm clamping. Designed around our new AEON MTB gyro kit with plenty of space for a gyro plate under. Tested to destruction by Niklas Tilk and the Radio team for 3 years, this is one tough MTB stem, but then again with our "BMX background" would you expect anything less?

  • MATERIAL 6061-T6 alloy, full cnc machined
  • STEERER TUBE 1.1/8" threadless clamp-on
  • REACH 32 mm, 35 mm and 40 mm
  • STACK 36 mm (31.8 mm), 38 mm (35 mm)
  • RISE 18 mm
  • FACE PLATE 52 mm wide
  • HARDWARE M6 x 1.0p x 10 mm bolts x6, tighten to 9 Nm
  • CLAMPING 31.8 mm and 35 mm
  • Super light, super strong modern MTB stem for Dirt Jump, Enduro, Freeride, Downhill and Slopestyle riding
  • "Vice-jaw Clamping" and 6mm hex bolts for superior durability and strength
  • Full CNC machined from 6061-T6 aluminium
  • Aeon MTB Rotor/Gyro Compatible
  • Laboratory-tested, exceeds MTB ISO 4210-5 4.9.1 testing requirements
  • Tested by the Radio Bikes team for 3 years

PLEASE NOTE FOR ASSEMBLY - Top bolts should be tighten flush and fully tight with no gap before bottom bolts are tightened.