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e*thirteen components
BSA Bottom Bracket

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BSA Bottom Bracket

The e*thirteen BSA Bottom Bracket allows you to mount your e*thirteen crankset into mountain bike frames with a threaded bottom bracket shell. The lightweight EXA+ aluminum cups house large, custom-sealed 6806 steel bearings that are backed by a 1-year no-questions-asked warranty for good measure. It's compatible with e*thirteen TRS, XCX, and LG1 cranksets with a 30mm spindle diameter only, but will fit both 68mm and 73mm wide bottom bracket shells.


  • BSA threaded bottom bracket for e*thirteen cranksets
  • Fits e*thirteen TRS, XCX, and LG1 cranks with 30mm spindle diameter
  • Fits frames with 68 and 73mm BSA threaded bottom bracket shells
  • Lightweight EXA+ aluminum cups with center tube for sealing
  • Large steel bearings backed by 1 year no-questions-asked warranty
  • Bearings are serviceable and replaceable
  • Includes spacers, refer to e*thirteen user manual for spacer arrangement
  • Item #ETR0029
[cups] aluminum, [bearings] 6086 steel
Shell Type
BSA threaded
Shell Width
68mm, 73mm
English (BSA)
Claimed Weight
3.3oz (94g)
Manufacturer Warranty
1 year


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