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Columbus
My Store
Open Tomorrow At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
What’s going on at Cycle Gear
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
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We're sorry but all Finish options for this product are currently out of stock.

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Gale Speed Thumb-Brake Rear Brake Master Cylinder

This Gale Speed rear brake master cylinder, meticulously crafted for thumb-brake applications in Japan, features a 3D machined forged 6061 aluminum body which has undergone a T6 heat treatment to ensure optimal corrosion resistance and increased durability. It houses a 12mm piston diameter internally, to align with the standard racing lever ratio.
Versatility is paramount, thanks to sliding adjustable mounting points that facilitate a universal fit for various applications. The package includes two return springs – the standard version and a stiffer red alternative – providing customization to fine-tune the setup according to your specific needs. 
Elevate your riding experience with this high-performance master cylinder designed for those who seek precision and control in every corner.

Features:

  • 6061 3D forged machined aluminum body
  • T6 heat treated for strength and corrosion resistance
  • Adjustable mounting points slide for universal applications
  • 49mm mounting pitch
  • 12mm piston diameter
  • Includes 2 return springs, normal and an optional higher stiffness red spring.
  • Made in Japan

Note: Bake fluid reservoir tank sold separately.

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Fitment Notes & Exceptions
This is a universal fit part; it may or may not fit without modification.
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Black Item # 10440122 Store SKU Manufacturer Product # RMC12-640BKIT Availability Out of Stock
Product Style Gunmetal Item # 10377441 Store SKU Manufacturer Product # RMC12-TH6KIT Availability Out of Stock
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