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RR 4T 450/525 Racing


  • New Ø 50 mm Marzocchi fork: completely revised to improve driving stability and comfort through a reduction in pitching
  • Main modifications:

    1. Larger diameter stanchions
    2. Fork yokes furry machined in aluminium with variable offset and bright red anodising.
    3. New pistons, giving the hydraulics a 50% performance upgrade
    4. New damper rods to increase flow and stability of performance over the long term
    5. New bushes, more elastic fork springs, best hydraulic cartridge filling, to improve both overall smoothness and front end capacity to absorb bumps
  • 5 mm longer rear shock absorber to give greater ground clearance.
  • Full titanium LeoVince exaust system with straight-thought silencer and decibel-killer at rear end to a very considerable saving in the bike’s overall weight in a more linear and full-bodied delivery.
  • New lighter and simpler racing electrical system for faster and easier maintenance.
  • Stealth aluminium rear sprocket with steel teeth, titanium fixing pins and black and red colour scheme: it combines the steel robustness and the aluminium lightness.
  • New Excel wheels with new steel spokes , red anodized aluminium spoke nipples and new wheel hubs: these enable a weight-saving of over 900 grams.
  • Ergal footrest and handguards to increase control and security guide
  • New Racing look through number plate with LED miniature headlamp, rear mudguard air intake in carbon fibre, Kevlar bumper plate, flame protection in carbon fibre, inner front disc carrier in black and new graphics