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Boone Helix Titanium Bottom Bracket: 121.5mm x 73/68mm - ULTRA RARE & COOL (Exc+)

**THIS IS A PART OF OUR ONLINE MUSEUM** **IT IS NOT FOR SALE**
SKU:
6078
Quantity:

Product Description

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.  Boone was best known for their gorgeous chainrings and cogs.  While he is not making bicycle parts anymore, he makes some luxurious titanium rings (as in wedding rings).  These would go great with your anodized 90's mountain bike or road crank, such as Grafton, Kooka, Cook Bros, Topline, M900, etc.

The only one of these I've ever had before sold on Ebay for $458!

The center section of the spindle was cut in a twisty corkscrew like fashion, which made for an unimaginably stiff and strong bottom bracket while retaining low weight.  Plus, it looks cool!  It features lockrings for both the drive side and non drive side, which is great for chainline adjustability.

Condition:

Excellent used.  Bearings are buttery smooth with zero play, dryness, or grit. Lockring and cups have no tool damage.  Some very light scratches on cups.

Details

  • Material: Titanium, CNC cut
  • Taper: Square taper JIS
  • Spindle length: 116mm
  • Shell width: 68mm and 73mm

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