E-Thirteen Bottom Bracket XCX, TRS and LG1 BSA 68/73
fits E-Thirteen 30mm spindle Cranks Only (BB20.P-BSA73.K)
68/73 BSA Threaded Bottom Bracket * Custom Angular Contact Bearings *
works with e*thirteen XCX, TRS and LG1 cranks and legacy Fifteen.G cranks
Requires: The Hive BB Install Tool (available separately)
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