Liqui Moly LM-40 Multi-purpose spray Clothing & Shoes Ball Bearing bearings inner dimension:

Ball Bearing bearings inner dimension: 12 mm bearings outer dimension: 21 mm bearings width: 5mm bearings seal: LLB - dual lip rubber light contact seal bearings static load: 836

Pneumatic tyres and tube

Track and Fixed gear

easy to clean and works great

Just screw them on your bike crank arms and you are ready to pedal

Liqui Moly LM-40 Multi-purpose spray Clothing & Shoes Ball Bearing bearings inner dimension:Lubricates, cleans, loosens, protects and preserves. Keeps moving parts moving. Reaches even the most hidden lubrication points thanks to its excellent penetration properties. Loosens stubbornly rusted and burnt on screws quickly. Infiltrates and removes dirt and stubborn oil and grease residues. Provides protection against rust and corrosion and protects chrome parts.