68/73mm Dispatched within 4-7 days ID: 81354-267526
SAVE 11% £62.95
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83mm Dispatched within 4-7 days ID: 81354-267527
SAVE 11% £62.95
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100mm Dispatched within 4-7 days ID: 81354-267528
SAVE 10% £62.95
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What are the delivery costs?

We offer Free UK Delivery on all orders.

Including: Channel Islands, Isle of Man, Isle of Wight, Northern Ireland, Scottish Highlands and Scottish Islands.

Standard delivery is normally 2 - 5 working days.

International delivery costs and delivery times vary for different countries. Please see here for more information.

Christmas delivery

For guaranteed Christmas delivery please order before midday, Monday 21st December. Guaranteed Christmas delivery applies to all items with the icon, please choose your option/size to see if the specific item you are after qualifies for Christmas delivery.

Our threaded BBs adapt e*thirteen cranks with 30mm spindle to standard BSA threaded BB shells. Custom seals, grease fill and angular contact bearings are designed from the ground up for top-notch durability and smooth spinning. All of our BBs include our 1 year, no questions asked bearing guarantee.

  • Cup material: EXA+ aluminium
  • Custom angular contact bearings
  • New co-molded outer seal for better protection from water intrusion
  • Improved bearing quality!
  • BSA threaded BBs fit XCX, TRS and LG1 cranks
  • Spindle spacers and wave washer are not included

E-Thirteen BSA External MTB Mountain Bottom Bracket

From £55.98
£62.95 SAVE UP TO 11%
SAVE UP TO £6.97
AVAILABILITY: Dispatched within 4-7 days (See all options)