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Product guide

CDYWD Oversized Bike Seat with Backrest

The CDYWD oversized bike seat is a wide replacement saddle with a curved backrest, foam padding, and a spring-based cushioning design. Its listed 12-by-13-inch footprint suits riders seeking a broader seat, but compatibility and position stability are reported inconsistently by customers.

At a glance

Wide, padded replacement saddle with a curved backrest and a streamlined front nose, according to the listing.
The listing describes rubber spring cushioning and an air-guide groove intended to promote ventilation.
The manufacturer says it can fit a standard seatpost using a clamp ring or dual-rail setup. Check the actual seatpost and adapter arrangement before ordering.

Price

$26.99Save 21%

Reference price: ~~$33.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Broad 12-by-13-inch listed dimensions may suit riders who prefer a larger seating surface.
Backrest, foam padding, and spring-based cushioning are combined in one saddle design.
The listing claims a waterproof PU surface that can be wiped dry after getting wet.

Technical specifications

9 specifications

Identity
Brand	CDYWD
Model	bicycle seat with backrest

Dimensions and installation
Dimensions listed	12"L x 13"W x 5.5"H

Materials and protection
Material listed	Memory Foam
Outer material	Polyurethane (PU)
Pad type	Waterproof Pad

Design and compatibility claims
Bike types listed	Mountain Bike, Road Bike
Maximum weight capacity	450 pounds
Color	Blue

What to know before buying

Customer feedback reports mixed compatibility and stability, including some reports that the seat does not hold its position. Confirm mounting compatibility and tighten and position it carefully after installation.

What’s in the box

Included

Installation tools (1)
Reflective armbands (1)
Universal adapter (1)

Who is it for?

A good fit for

Riders seeking a wide, padded saddle with a backrest for a stationary or city-style bike.
Buyers who want a replacement seat with a claimed waterproof surface and included mounting adapter.

Less suited to

Riders who need a narrow or performance-focused saddle rather than a broad seat.
Buyers who require assured compatibility or position stability for a specific bike model.

CDYWD Oversized Bike Seat with Backrest · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 830 ratings

5 stars74%74%
4 stars11%11%
3 stars7%7%
2 stars3%3%
1 star5%5%

Customer feedback highlights comfort, soft cushioning, and the roomy size, with some riders reporting comfortable longer rides. Experiences with compatibility and stability are mixed, including reports that the seat can fail to hold position. For buyers considering the listed wide dimensions and backrest, mounting fit and secure positioning matter as much as cushioning. Aggregate ratings lean positive overall but do not establish how the seat will fit an individual bike or rider.

Positive themes

Customers describe the seat as comfortable and appreciate its broad size and soft cushioning.
Some customers report a good fit on particular exercise bikes and comfortable longer rides.

Mixed feedback

Compatibility and stability receive mixed feedback, with some customers reporting that the seat does not stay in position.

Frequently asked questions

What are the listed dimensions?

The listed size is 12"L x 13"W x 5.5"H.

What materials are listed?

The technical details list Memory Foam and an outer material of Polyurethane (PU).

Will it fit my bike?

The listing claims compatibility with a standard seatpost using a clamp ring or dual rails. Customer feedback is mixed on compatibility, so check your bike's mounting style and the selected listing details.

What do customers report about comfort and stability?

Customer feedback describes comfortable cushioning and a roomy seat, while stability and compatibility experiences are mixed. These reports are not a guarantee for a particular rider or bicycle.