BIRZMAN EXTERNAL BB SOCKET FOR SHIMANO HOLLOWTECH II
$24.99
Compatible with Shimano Hollowtech II or other 16-notch 44 mm diameter external bearing bottom bracket cups and 16 notch rotor disc lockrings (incl. E-Thru axle hubs). functions: 1/2" drive material: CNC machined hardened steel size: Ø55 x 45 mm
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