• Spectre Carbon BMX rim
• Made from the highest quality Toray T700 carbon fibre
• Understated UD (unidirectional) finish.
• Minimal tonal branding near the valve hole
• We think your riding should do the talking, not your bike.
• 2-year warranty against manufacturer defects.

ETRTO Tyre size range:
451x23mm = 20x1-1/8 to 20x1-3/8 

ERD measurements:
451x23mm = 391mm