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25% Off Select Ibis Bikes | Specialized Gravel and Road Closeouts

Save 20% on SalsaSurly, and All-City with codes SALSA20, SURLY20, ALLCITY20 in checkout.

Birzman Shimano BB Socket

Birzman Shimano BB Socket
Please select options Unavailable


- Compatible with Shimano cartridge or other similar 20 notch 31.6mm bottom brackets
- 1/2" drive compatible