Skip to product information
1 of 32

Spongy Wonder Inc.

Prostate Friendly Noseless Bike Seat for Spinners (MK11)

Regular price $142.99 CAD
Regular price Sale price $142.99 CAD
Sale Sold out

“How do I pick my size?”

- If your weight is 200lbs + you will want a large size.
- If your weight is 150 – you will want a small size.
- Ladies with ‘hourglass curves should consider a large.
- Ladies 150 – 200 will want a large unless tall and/or athletic.
- 150–200lbs size depends fitness level + height and age.
- ‘Old fart’ like me? No longer have awesome glutes? Large.

You need our MK11 Series if you have a

- Brompton
- a seat post clamp with one horizontally oriented bolt
- a seat post clamp with two vertically oriented bolts
- a seat clamp that will only accept a 7mm seat rail size
- a Peloton, or some other fancy-ass interior torture device


The Spongy Wonder Large Noseless Bike Saddle protects tailbone, perineum, prostate, and ‘everything else’ health as a result of our adjustable dual platform design. Both male and female cyclists enjoy complete comfort and Zero bicycle seat induced health damage.

Spongy Wonder’s Large Noseless Bike Saddle is made in Canada by master metal-smiths applying old-school technology to advanced American materials. The result is a fully customizable, upgradeable, adjustable, virtually indestructible, and performance ready comfortable bike seat. This is not the last bike saddle you will ever buy as you will want more for your other bikes, and for family and friends! Might just as well buy two or more and get the deal!

Shipping & Returns

In the extreme remote possibility that we have failed you, our return date is June 15th 2022! You must return by post office, and write “Canadian Goods Being Returned” several places on the box. We do not refund shipping, and we do not accept returns from FedEx, UPS, DHL, etc. 

Our address is:      Spongy Wonder Inc., 2 Woodside Dr., Riverview, NB,  E1B 4G9, Canada

Spongy Wonder Noseless Bike Seat MK11 Series:

For spinners/exercise bikes, Bromptons, high end road bikes, and seat posts using 2 x vertically oriented bolts.

The Spongy Wonder Noseless Bike Seat is a prostate friendly bike seat that also places Zero pressure on the perineum, tailbone and everything else.

Completely female friendly. Ladies your pain and suffering is OVER!

A performance ready comfortable bicycle seat.

Two Spongy Wonder Noseless Bike Seat sizes.

Adjustable for width design with replaceable/upgradeable  cushions.

Domestically made! We create jobs in Canada and The US of A by custom fabricating great American stuff!

Get a second interface option with our diver's neoprene 'velcroed' seat covers. Customize for garment, weather, terrain and your style.

15 year warranty on all structural components. The cushions last for years and years but if you ever need to replace them they are at cost!

And get service by the inventor at; or by our toll free number: 1-877-977-7328.

    Kevin O’Leary’s (The Shark Tank and  The Dragon’s Den)  reaction to Spongy Wonder’s provocatively comfortable bike seat.