The Specialized Boost 12x148 Rear Axle is a rear thru axle designed for frames and hubs using 148mm Boost rear hub spacing.

Key Features:
  • Designed for rear hubs with 148mm Boost spacing.
  • 12x148mm Boost rear hub spacing provides the specified axle interface.
  • 6mm Allen head allows installation and removal with a 6mm Allen key.
  • 172mm insertable length defines the axle's usable insertion length.
  • Rear thru axle design provides a secure connection between the rear wheel and compatible frame.
  • Designed specifically around the 148mm Boost rear hub standard.
  • Suitable as a replacement rear axle for compatible Specialized configurations.

Who is it for?
Ideal for Specialized riders needing a replacement rear thru axle for a compatible 12x148mm Boost rear hub setup.
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