Lightweight BMX race rims.These low inertia box section alloy rims ensure a quick getaway out of the gate.Stainless nipple eyelets allow high tension spokes for a stiff wheel that transfers chain drive into forward motion with minimum effort.Race optimised 30mm wide.Front or Rear (machined cnc sidewall brake surface) specific versions.- Double Wall Alloy- with SS Eyelets- ERD 495mmRecommended Spoke Tension: Front: 80 to 100Kgs. Rear: 100 to 135Kgs.