
NEEDLE ROLLER BEARING Cage - 16x21x17.5 (manufacturer ref: KV16X21X17.5S) — part intended for the connecting rod foot. This cage guides the rollers (needles) that ensure the pivot connection between the connecting rod and the piston shaft, used in typical compacted 125 cm³ roadster engines.
Before installation, check the dimensions and condition of the housing on the crankshaft and connecting rod. This cage is a mechanical spare part intended for assemblies where the diameter and width match — essential for precise needle alignment and correct guidance of the rotary movement.
Compatibilities (examples):
A simple and targeted part for motorcycle mechanics and DIY enthusiasts looking for a needle cage with precise dimensions. Check the play and installation according to the manufacturer's recommendations.