Quick view Boone Boone Helix Titanium Bottom Bracket: 103mm x 68mm / 73mm - ULTRA RARE & COOL 1990's USA Made(Near Mint+) Compare
Quick view Boone Boone Helix Titanium Bottom Bracket: 121.5mm x 73/68mm - ULTRA RARE & COOL (Exc+) Compare
Quick view Boone Helix Titanium Bottom Bracket: 103mm x 68mm / 73mm - ULTRA RARE & COOL 1990's USA Made(Near Mint+) This is an ULTRA RARE Ti bottom bracket from the mid to late 90's from North Carolina small boutique CNC parts builder Bruce Boone. These were released with the famous "Twist" crankset... Compare
Quick view Boone Helix Titanium Bottom Bracket: 121.5mm x 73/68mm - ULTRA RARE & COOL (Exc+) This is an ULTRA RARE Ti bottom bracket from the mid to late 90's from North Carolina small boutique CNC parts builder Bruce Boone. These were released with the famous "Twist" crankset... Compare