Vision Freehub DB SH11 U2149 PRS EL401
Description:
This is a Vision replacement freehub body designed for specific Vision Metron road wheelsets using the PRS (Power Ratchet System) hub. This corresponds exactly to the part number 752-0921000020 you provided.
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For Shimano HG standard cassettes (Shimano HG 9/10/11/12-speed compatibility)
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For U2149 PRS rear hub standard
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For disc brake wheelsets
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Supplied without axle/spindle – the existing axle must be reused
Technical specifications
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Part number: 752-0921000020
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Designation: Freehub DB SH11 U2149 PRS w/o Spindle EL401
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Wheel series: Vision METRON road wheels
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Cassette compatibility: Shimano HG (11-speed, often also compatible with 12-speed HG cassettes)
Function
The freehub body is the splined unit onto which the rear cassette is mounted. It contains the ratcheting mechanism that allows coasting while the wheel continues to rotate. The cassette slides onto this freehub and is secured with a lockring.
This is not a complete rear hub, only the replaceable freehub unit. The axle is not included.
Compatibility notes
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Shimano HG cassettes: compatible (9/10/11/12-speed road standard)
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Hub compatibility: Vision U2149 PRS rear hub
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Brake compatibility: disc brake wheelsets
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Axle: not included, original axle must be reused
Pre-installation checklist
