Quick Summary
The Gineyea M857S is a pair of large, black flat bike pedals with nylon platforms and chromoly steel axles. Each pedal has three bearings, molded nylon studs, and textured tread. The 9/16-inch threaded fit is the key compatibility check before choosing this pair.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Pedal type | Flat platform pedals for use without cleats. |
| Model and color | Gineyea M857S, black. |
| Platform size | 4.09 x 4.19 in, listed as Large. |
| Materials | Nylon pedal body and chromoly steel axle. |
| Bearings | Three bearings per pedal. |
| Thread size | 9/16 in. Check the crank thread size before installation; these are not for 1/2-inch threads. |
| Quantity | Two pedals, for a pair. |
| Warranty | Listed as 1 year. Check the applicable terms for coverage details. |
Key Features Explained
The wide platform provides room for the foot, while molded nylon studs and textured tread are designed to grip shoe soles without sharp metal pins. The pedals are intended for flat-soled shoes, so cleats are not needed. The listing describes the bearing seals as helping protect against road spray and trail dust.
Compatibility, Size and Fit
These pedals are described for mountain, road, gravel, and commuter bikes that have 9/16-inch crank threads. Bike type alone does not confirm fit: check the crank’s thread size, especially if replacing pedals with a different thread standard. The 4.09 x 4.19 in platform dimensions help you compare the contact area with your current pedals.
Setup and Correct Use
Match the L and R markings, grease the threads, and start each pedal by hand. Tighten with the correct tool as instructed. Do not force a pedal that does not start smoothly by hand.
What Is Included
The listed quantity is two pedals. Check that the selected configuration is the pair you need.
Before You Decide
Confirm that your crank uses 9/16-inch threads, that the platform dimensions suit your preference, and that you want flat pedals for use without cleats.
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