Shimano HG Hub compatible single speed conversion kit with ramped spacers. Black anodized.

Includes:

• 2 - 9mm angled spacers
• 6 - 3mm spacers
• 2 - 1mm shims
• 1 - lockring
• 1 - 20t cog

Compatible with:

• Any ½ x 1/8 pitch chain, this includes BMX and Track chains
• Any 8 or 9 speed chain

Does not work acceptably with::

• Any 10 or 11 speed chain