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Non-contact seals do offer lower friction but are also a less robust barrier to dirt and water
The installation tool has the optimal pressing interface for the drive-side and a receiver for the non-drive-side which rests against your frame’s bottom bracket shell
The T47 standard has inherent advantages
both manufactured from 6000-series aluminium
Installation Tools: Included free with each BB purchased on the SN-Vitae website
Module 47 M47-68 TRIATHLON Non-contact seals do offer lowerWhat It Is The Module 47 system is a two piece bottom bracket which reduces friction and banishes creaking by mounting both the driveside and non driveside bearings in a single lightweight aluminium module casing which threads in from the drive side. The non drive side (NDS) part is a tapered sleeve which threads into the frame to receive and locate the drive side module in a high precision fit. This M47 68 fits frame frames with a T47 threaded frame
