So many low end bikes do not have these great sealed long lasting Bottom Bracket sets, they are fitted with loose bearings which means dirt and water get in and the BB wears out, so why not change for this bargain sealed set

  • Thun Boogie BB cassette cartridge
  • Cold-forged and zinc-coated (A2B) steel spindle
  • 2RS cartridge bearings
  • Composite sleeve
  • Composite cups
  • 128mm axle length (we are not sure why cartridge is marked 123mm)
  • For 68mm BSA bottom bracket shell 1.375 x 24tpi
  • Jis axle type square taper
  • Can be fitted using a shimano BB cassette tool
  • Weight 270grams (approx)