Product Features & Specifications
Product Dimensions & Fit
The Comfortable Mountain Ebike Seat Cushion (Except A20) is designed to replace the hard, stock saddles found on most fat tire and mountain e-bikes.
- Compatibility: Specifically fits standard seat post clamps. Note: Verified NOT compatible with the A20 folding bike mechanism.
- Dimensions: Approximately 10.2 inches (Length) x 8.3 inches (Width).
- Material: High-density memory foam with a waterproof, breathable PU leather cover.
- Underside: Equipped with dual springs and a high-elasticity rubber buffer to absorb trail vibration.
Comfort & Ergonomics
Forget the pain of long trail rides. This cushion features a vacuum pressure dispersion channel that relieves pressure on the perineum, ensuring blood flow and eliminating numbness. The widened rear design provides stable support for the sit bones, specifically catering to the upright riding posture of electric mountain bikes.
Suitable for These Brands (Except A20)
- Aostirmotor: S07, S18, S17 (Excludes A20).
- Rad Power Bikes: RadRover, RadRunner, RadCity, RadExpand.
- Lectric: XP 3.0, XP 4.0, XPremium.
- General: Most 26″ and 20″ fat tire e-bikes with standard rail mounting (Fits 7-9mm rails).
Installation Instructions
No special tools are needed, but you will need a 5mm Allen key (hex wrench) or a 13mm open-end wrench.
- Remove Old Seat: Locate the bolt at the base of the seat clamp underneath your current seat. Turn counter-clockwise to remove it and slide the old seat off the rails.
- Align New Seat: Slide the new seat onto the rails. Adjust it forward or backward to find the perfect leg extension point (usually level with the ground).
- Tighten: Insert the bolt and tighten it firmly. Ensure the seat does not wobble side to side before riding.


