BD-JW03 - 12T Narrow / wide Guide Pulley with ceramic bearing, Derailleurwieltje, roue de dérailleur, jockey wheel

Number of teeth: 12T

Narrow/wide teeth chain technology

• ceramic bearing
• alloy 7075 material
• CNC machined
• Diameter 4 & 4 mm
• Weight: ultra light - 11,6g

Bicycledropouts Jockey Wheel

Ceramic Bearing Ultra-Lubricated And Ultra-Quiet
The positive and negative gear guide wheels (narrow teeth followed by wide teeth) can effectively restrain the chain from swinging laterally and make the speed more accurate

How To Choose The Correct Specification?

The number of teeth is less than or equal to the number of teeth of your original guide wheel
The chain is only suitable for 7/8/9/10/11 speed chains