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e*thirteen BSA Threaded Bottom Bracket

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Custom bearings and high performance seals in all e*thirteen bottom brackets deliver supreme durability and smooth spinning.


Available for cranks with either 30mm spindle (Race and Plus cranks) or 24mm spindle (Base cranks). Available for frames with 68mm, 73mm, 83mm and 100mm threaded BB shells. Gravel BB fits 68mm BSA shells with no spacers for road fit. 


  • E13 BSA threaded bottom brackets adapt 30mm spindle e*thirteen cranks to standard BSA threaded BB shells.
  • All the advantages of a 30mm aluminum spindle in a threaded BB.
  • E13 BSA threaded BBs come in three different widths and feature a center tube for extra sealing.
  • Large custom sealed 6806 bearings are replaceable and serviceable.
  • BBs feature custom bearings designed for E13 application from the ground up, with high performance seals and custom grease specification for top-notch durability and smooth spinning.
  • All BBs include E13's 1 year, no questions asked guarantee.
  • What's in the box: Bottom bracket, spacers.
  • Please note: e*thirteen BBs cannot be used to retrofit a BB30 crankset onto a BSA threaded frame.
  • Compatibility: XCX, TRS, LG1
  • Weight: 94g

BB20.P-BSA73.K, BB20.P-BSA83.K, Ethirteen, E13, BSA ,Threaded, Bottom, Bracket, BB

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