Before purchasing this seat, I had to carefuly do a deep research on the subject. I am a 6'2" guy, so, a was really concerned about having the seat hitting my knees. My neighbor has another model, which does not work at all for me, not even for him. He has to keep his legs king of open in order to be able to ride the bike... Terrible!

Furtunately, I decided to go with the most expensive model. Sometimes the cheap become expenseive, isn't it? well... I did the right decision, instead of spending $48 dollars, I spent $89.00 on this safe-T-seat, and I cannot be happier.

The seat mechanism is really simple. It's just a little T-bar that you will be in contact with the bike. The seat plugs itself on this bar. The seat keeps in a perfect position. Even my long legs do not touch it when riding. I can ride my bike just like I was riding before the new passenger.

It took me less than 5 minutes to install the T-bar on my bike.

My daughter stays in a very comfortable position. By the way, she loved the new activity, and keeps asking me all the time for "MORE" when she sees the bike.

Well, if you want to have pleasure time and no headaches while in your bike, this is the seat you need to purchase.

CONS: The only thing I didn't like much about this product is that it only support kids up to 32 pouds. Well, nothing in the world is totally perfect! So there is no time to lose, I will ride my bike with my daughter as much as I can before she reachs her 32 pouds. :)

Here a website I found with more pictures about this product:
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Hope you enjoy my review. 5 stars

I've looked at all of them and this was the only one that had consistently good reviews. This is one of the very few times that I have bought something based solely on the reviews, but the other seats had such bad reviews that I had to give this a try. The five star rating is well-deserved.

High points:
1. MY WIFE PUT IT ON THE BIKE. That is historic. It is very easy to install. You can read the instructions and have it put on the bike in 5 minutes. All other seats require HOURS or require you to take it to a bike shop.
2. Seat is sturdy and my little girl loves it.
3. Instructions say max. weight is 38 lbs. Some reviews show a lower weight so they may be for an older model.
4. MY WIFE PUT IT ON THE BIKE. Oh, I already said that.
5. I'm 6'2" and this was not a problem to use. It takes a little adjustment when you are turning the bike, but that is not a problem. Did I tell you that my wife put it on the bike?

Low points:
1. None, other than I wish I had known that you could buy additional mounts at the time I bought it so I could save on shipping. 5 stars

I bought this product for my 22 month old son who weighs a little over 29 lbs now. The boy loves the seat and the assembling on the bike is fairly easy. The seat easily comes on and off within 1 minute once the clamp is attached to the handle. The positives on this seat are definitely the fact that the child can see everything rather than looking at the adult's back. It also allows for close interaction between you and your child as you can speak to them directly and they can look up and see you.

I have mounted the seat on a mountain bike and the 3 big negatives that I've found so far is that since the bike is mounted near the center of the bike, you basically lose the ability to straddle the bike when you have to stop riding. This can be difficult when you come up to a stop light and you have to turn the bike handle to the left so that you can make enough room to be able to fit between the seat and the baby carrier and straddle the bike. Another disadvantage compared to rear baby carriers is that my son will usually fall asleep after riding about 15 or 20 minutes since he enjoys the motion. But since the carrier doesn't have a high back or sides, his head doesn't get any support so he starts to lean forward or to the side. The shoulder straps keep him in place, so I'm not too concerned about safety, it's more an issue of convenience as I don't like to ride with him "flopping" about like that. Lastly, when removing the boy from the seat, his foot will have a tendency to get stuck in between the carrier and the front handlebar. You have to make an effort to push his feet to point down before it will slip through and you can carry him out. This is due to the fact that with a lower handlebar and the gears on the handle, it doesn't leave much free space to maneuver.

I don't think the manufacturer can really do too much about the negatives I mentioned and I do think that having the child riding up front outweighs the negatives when compared to a rear seat carrier. According to the manufacturer, they rated this seat up to 32 lbs only, so I only have a few more months to use this. But I intend to make the most of it since I enjoy biking and getting the chance to do it with my son with this product makes it much easier. 4 stars

Some observations on the iBert Safe-T-Seat:

Installation: easy
Time: 15 minutes
Take off handlebar, install iBert stinger, and once that's secure, you slide the seat on and pin it in place. There is more than one hole on the seat plate so that you can adjust the seat position forward or backward (not that the adjustment makes a whole lot of difference). Installation is faster with two persons although one person could definitely swing it from the on-bike position. Very easy to adjust stinger with the hex tool.

Ride: very good
Not very different from regular biking.
First test run with seat only: Pedaling does not make knees hit the seat. If it does, you need to raise your bike seat to elongate your pedaling stroke as well as your handlebar.

Very small amount of wobble on iBert, but it is not noticeable when riding around.

iBert does not interfere with steering at all. Plenty of room for arms. Rode around cul-de-sac end to test 360 left/right turning.

Changing gears: easy, no change from regular cycling; both gearshifts are positioned by my thumbs, lowside -- no chance baby can mess with them in-flight. Your bike may be different.

Safety belt: needs improvement
Works differently from what I thought at first, but you learn to adjust it fairly quickly. There is only one adjustment "buckle" on the right bottom side, so you have to push the slack down the right front, up the left side, then left to right under the seat back. Annoying! I would have preferred to have two adjustments, one on each side. But once you make the adjustment for your toddler, you won't have to do it often again.

Vision: no problems from the seat or having a helmeted toddler in front of me. There is plenty of clearance to see potholes, dog poops, mud piles, branches in front of the bike. You can raise your seat and handlebar anyway.

Fun factor: son did not want to get out of the seat after the test ride. On the day after we took a long ride on a bike trail, and it was so much fun!
5 stars

This seat is a wonderful alternative to the traditional pull behind or ride behind child carriers(we have both). My husband loves riding around the neighborhood with our 1 year old daughter on display, and of course she is beyond thrilled to ride up front with Daddy. That being said, I am a small person and this seat does not work for me. I am 5'3" and cannot even get on my bike with this seat in place. However, I believe that it is a worthy investment for our family in the Daddy/Daughter department...the smiles beaming from their faces says it all.
BTW:When we want to do serious road or trail biking vs. neighborhood biking we use our pull behind child carrier. 4 stars