Brake Adapters and E-Thru Axles Now In Stock!

Prescott Cyclery is excited add our own flat mount brake adapters and E-Thru Axles for BOOST spacing.



Flat Mount Adapter

Our flat mount adapter converts any frame equipped with a Shimano or SRAM flat mount to a post mount for a 160 rotor.  The adapter  is precision-machined from aluminum then coated in glossy black anodize with laser etched graphics for a durable long lasting finish.

The two M6 x 20mm screws are included to mount any brake.  The two M5 x 38mm screws directly mount to frames with a 30mm flat mount bracket height.  The screws are high quality steel finish with a durable black corrosion resistant coating and lock-tite patch.

Weight: 25 grams | 51 grams with screws
Bracket: black anodized aluminum with laser etched graphics
Thread: M5 x 0.8mm bracket | M6 x 1.0mm brake

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E-Thru Axles for BOOST spacing

Designed to fit ∅12 BOOST frame with 148mm spacing and ∅12 x 1.5mm thread.  This axle is a direct replacement for Shimano E-Thru BOOST axles.  The adapter  is precision-machined from aluminum then coated in glossy black anodize with laser etched graphics for a durable long lasting finish.  All indexing and quick release hardware is coated steel for long life and corrosion resistance.

Weight: 77 grams
Lever and Axle: black anodized aluminum with laser etched graphics
360º Indexing Lever: All steel hardware for long life and easy adjusting
Length: 172mm
Thread: ∅12 x 1.5mm

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