2-Pack Premium Ball Bearings For Trek Bike Madone 2008 Bottom Bracket Outer Diameter - 6 1/8 inch (6.125") the NU215 inner diameter is

the NU215 inner diameter is 75mm

6005ZZ Deep Groove Ball Bearing

240mm x 440mm x 72mm

Size: 35mm x 62mm x 28mm

outer diameter is 100mm and width is 21mm

2-Pack Premium Ball Bearings For Trek Bike Madone 2008 Bottom Bracket Outer Diameter - 6 1/8 inch (6.125") the NU215 inner diameter isBall Bearings for Trek Madone 2008 Bottom Bracket 2 Pack Rubber Sealed Chrome Steel ABEC 1 Precision This 2 pack of premium ball bearings is made to fit the bottom bracket of a 2008 Trek Madone bike. Each bearing is built with high quality chrome steel and features double rubber seals for smooth, low maintenance performance in all weather conditions. Ideal for cycling enthusiasts looking to restore or upgrade their bottom bracket system. Fits Trek