The Calculated 120mm Disc Brake Adapter for 10mm axles are CNC machined from 6061 alloy. Calculated’s disc brake adapter is universal, compatible with most 10mm or 3/8″ frames and made for post-mount calipers.

For 10mm or 3/8″ axles
For 120mm rotors with potential to adapt to 140mm
CNC’d from 7075-T4 Alloy
Machined In Santa Cruz California
Lifetime Replacement Guarantee
Check out the embedded video to see BMX Ultra chatting with Casey Robinson from Calculated Racing.
SKU 81BRKDISCM
Brand Calculated Racing