Shimano Tiagra SM-BB4600 Bottom Bracket 68mm BSA

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Show Description

Shimano’s mid-range Tiagra series takes many engineering cues from their pro-level components. This bottom bracket delivers sleek design at moderate cost.

  • Axle uses hollow tech II construction, 68mm.
  • Splined crank arm mounts.

Tech specs

Show Tech specs
Thread style British
Shell width 68mm
Made in Malaysia