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Black honeycomb hollow bicycle saddle
- The PROMEND SD-577 combines a black honeycomb surface, an elongated central opening and two silver metal rails. Its tapered nose widens into rounded rear wings. The catalog lists EPU, nylon and Cr-Mo materials with a net weight of 343 g.
Exquisite Details & Design Features
Carefully-crafted details showcase superior craftsmanship and outstanding design features.

Original honeycomb and hollow construction
Light finger contact identifies the original cell ribs without claiming a measured cushioning result.
Uncover Our Core Product Advantages
Reliable quality and solid performance for your varied usage scenarios. Rigorous production standards ensure great durability and cost‑efficiency.

The central through-opening creates an open space along the saddle center.

The two fore-and-aft rails connect beneath the saddle to a compatible clamp.

The narrow front transitions into broad rear wings in the original riding profile.

Central Opening Clearance.
Compatible devices
Bicycles with a suitable two-rail saddle clamp
Match the actual rail profile and clamp before mounting.

Product parameters
Flexible for multiple scenarios
The original opening, rails and tapered profile remain visible during replacement inspection.

The central through-opening creates an open space along the saddle center.


The two fore-and-aft rails connect beneath the saddle to a compatible clamp.

Packaging list
Bicycle saddle with two attached rails x1.
Frequently Asked Questions
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