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Oversize cartrdige bearingsForged and CNC machined external cupsAlloy centre sleeve with double o-ring sealAnodised cup and sleeveCompatibility:SLK Light MegaExoSLK Pro MegaExo..

Checks that the bearing seats of the BB30 bottom bracket shell are in alignment and concentric to each other. Bearing seats that are not in alignment will cause poor bearing performance and premature wearHardened tool steel with plated machine ground ends for accuracy and durabilityWeight: 1269g..

Go/NoGo gauge to quickly check inner diameter (ID) of BB30 bottom bracket shells.Hardened tool steel with plated machine ground ends for accuracy and durability511 grams..

For precisely inserting BB30 bearings into the bottom bracket shell..