Obsidian Running Blade Posterior Mount

  • Split-blade design

  • Improves cornering performance and trail running

  • Dynamic, carbon composite design

  • Durable tire-grade tread

Featured Specifications

Functional Level

K3, K4

Build Height (in.)



Posterior Mount

Patient Weight Maximum

330 lbs. (150 kg)


28 oz. (800 g)

Ordering Information

Includes foot and instruction manual


Replacement Running Tread - 100-40-4000
Additional Specifications

Patient Weight Minimum: 30 lbs. (14 kg)


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Posterior Mounting Bracket

The Posterior Mounting Bracket is designed for use with posteriorly mounted feet to ease the fabrication process for adjustments and socket replacements. Once correct alignment has been determined using the Adjustable Alignment tool, the foot can be mounted using the Posterior Mounting Bracket. Specifications refer to adult brackets
Maximum Patient Weight SKU
Posterior Mounting Bracket 330 lbs. (150 kg) 180-10-2010

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