THUN THOMPSON JUNIOR COTTERED BOTTOM BRACKET SET 30mm PRESS CUP SIZE SMALL AXLE

• THIS IS A RARE TYPE OF BOTTOM BRACKET USED ON EUROPEAN MADE KIDS BIKES IN THE 70'S AND 80'S, POSSIBLY EARLIER
• THE AXLE IS A SMALL DIAMETER SO ITS USED WITH SPECIFIC SIZE COTTERED CRANKS ON CHILDRENS BIKES
• AXLE IS 13MM DIAMETER, COTTERPINS ARE 8MM
• PRESS/PUSH IN BB CUPS 30MM DIAMETER
• 3/16 BALL RACES
• OVERALL LENGTH OF AXLE 133MM

CODE: BBP2214230