H&H Titanium Hollow Spindle Bottom Bracket for Brompton Bicycle

Features

• Titanium hollow spindle — lightweight and durable, only 161 g
  (vs. stock steel spindle at 243 g)

• Lock-ring design secures spindle position on the bottom bracket

  • Allows fine-tuning of chainline and spindle position without disassembling the entire BB set

• Aluminum lock rings between the bottom bracket and crank arms for a premium finish

• ±3 mm adjustment range on each side of the 120 mm titanium spindle — no additional spacers required

• Designed and manufactured by H&H in Taiwan

Installation Notes

Steps:

1. Remove the lock rings on both sides.

2. Insert the titanium spindle through the right bearing cap, then fully tighten the bottom bracket
   (turn the bearing cap counter-clockwise).

3. Fully tighten the left bearing cap.

4. Reinstall the lock rings and use a rubber mallet to adjust the spindle position
   (for chainline fine-tuning).

5. Tighten both lock rings securely.