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
5037-580 Shimano Tiagra SM-BB4600 Bottom Bracket 68mm BSA
Shimano
$23.00
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Shimano
5037-580 Shimano Tiagra SM-BB4600 Bottom Bracket 68mm BSA
- SKU:
- 5037-580
