Birzman Shimano BB Socket (Hollowtech II) CheckoutSpec= Recon Silver TK C1 non-Boost }SRAM Guide Stainless Steel Caliper

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45mm chainline

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52 Fork Oil Weight N/A

Birzman Shimano BB Socket (Hollowtech II) CheckoutSpec= Recon Silver TK C1 non-Boost }SRAM Guide Stainless Steel CaliperCompatible with Shimano Hollowtech II or other 16 notch 44mm external bearing bottom bracket cups Also compatible with 16 notch rotor disc lockrings (incl. E Thru axle hubs) 1 2 inch drive compatible TECH SPECS description Shimano BB Socket (Hollowtech II) compatibility Shimano Hollowtech II or other 16 notch