Side A: 16 Notch ø44 for BSA/ITA/BB30 for Shimano/SRAM GXP/Campagnolo UT. Side B: 12 Notch ø46,5 for BSA/ITA for 30mm/SRAM DUB, BB30 SRAM DUB.
About the tool: Magnetic center guide for 22.2, 24, 28, 29 and 30mm bearing bore. Stable engagement with cups for easy installation and extraction. Standard 3/8"socket fitment. Precision machined f