Grade 25 loose ball bearings
Grade 25 is the highest quality ball bearing commercially available, as used in Shimano Dura Ace and Campagnolo Record hubs.
Available in four sizes (see info below).
Specifications
• sizes: 5/32", 3/16", 7/32", 1/4"
• sold in bags of 25
Size information
Japanese loose ball front track hubs use 3/16", rear use 1/4".
Campagnolo Record front hubs use 7/32", rear use 1/4".
Tange-Seiki & Hatta headsets use 5/32".
Sugino & Hatta bottom brackets use 1/4".
Description
Grade 25 is the highest quality ball bearing commercially available, as used in Shimano Dura Ace and Campagnolo Record hubs.
Available in four sizes (see info below).
Specifications
• sizes: 5/32", 3/16", 7/32", 1/4"
• sold in bags of 25
Size information
Japanese loose ball front track hubs use 3/16", rear use 1/4".
Campagnolo Record front hubs use 7/32", rear use 1/4".
Tange-Seiki & Hatta headsets use 5/32".
Sugino & Hatta bottom brackets use 1/4".
