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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 21 - Sep 26
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For Your Every Summer RSVP, with Code: SUMMER15
Description
kinderfahrrad sirene GT Siren 20Overview Even our kids bikes are built right from the ground up perfectly proportioned lightweight alloy frame, easy riding low slung design, and handling that makes every ride a breeze. Durable 1pc cranks, all terrain tyres, 2pc bars and even a numberplate FTW. Improved Geometry bikes with the LegitFit system feature geometry adjustments to improve ergonomics for youth statures. The result: Increased stability, comfort and confidence for a wider
Overview
Even our kids’ bikes are built right from the ground up – perfectly proportioned lightweight alloy frame, easy-riding low-slung design, and handling that makes every ride a breeze. Durable 1pc cranks, all-terrain tyres, 2pc bars and even a numberplate FTW.
- Improved Geometry bikes with the LegitFit system feature geometry adjustments to improve ergonomics for youth statures. The result: Increased stability, comfort and confidence for a wider range of riders.
- Easier Pedaling bikes with the LegitFit system have their pedal positions moved slightly forward. The result: Makes it easier to pedal.
- Better Positioning bikes with the LegitFit system have narrower crank and pedal positions that match the width of a child’s hips. The result: A stronger, more natural pedal stroke.
Specs
| Sizes | One Size |
|---|---|
| Model Code | G52301F |
| Frame | 20" GT LegitFit Design, Alloy |
| Fork | GT Hi-Ten Steel, 1" Threaded Steerer |
| Chain | KMC S1, 1/2x1/8" |
| Crank | Forged One-Piece Type, 127mm, 32T |
| Bottom Bracket | Steel, Ball Type |
| Pedals | Jr. BMX Design, Resin |
| Cog Set | Null |
| Rims | Alloy, 28h |
| Tires | GT 20 x 1.95" |
| Front Hub | Steel, nutted axle |
| Rear Hub | Steel, Nutted Axle, Coaster Brake |
| Spokes | Stainless Steel, 14g |
| Brakes | Coaster Rear, Rear Alloy VBrake |
| Front Brake | Coaster Rear, Rear Alloy VBrake |
| Rear Brake | Coaster Rear, Rear Alloy VBrake |
| Brake Levers | Alloy V-type |
| Handlebar | Steel Riser Bar, 176mm Rise, 580mm Width |
| Stem | 2-Bolt Alloy Top, Steel Quill |
| Grips | 120mm Closed End |
| Headset | 1" Threaded, Steel |
| Saddle | GT 1-piece |
| Spec Extras | Fender, Bar, Stem Pad |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great workout mat
Color: Green
It’s very thick and soft so it makes exercising a lot easier. It rolls easily ready to store. And it seems very durable. It is also flexible for certain exercises for balance.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Very sturdy. Great Quality
Color: Navy Blue
This is a very dense, thick mat. It's great if you have bad knees or just need/want a thicker mat. The carrying strap with velcro closures is easy to use.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Great cushioning, easy storage
Color: Blue
I am so happy I bought this. I do back stretches, and need to be on the floor.. Getting up & down is hard at 77, and carpets are hard. This helps sooo much! I don’t hurt my knees when getting down or getting up. The mat is comfortable and provides plenty of padding. It is easy to roll up and store with the included strap. I am tall, and there is extra length, so my head and feet are on the mat. This was a good purchase! This has not torn, and wipes down easily. It doesn’t attract dog hair, which is another reason I wanted a mat.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Love my mat!
Color: Pink, Style: 1/2 Inch
I’m new to stretching and recovery classes, and there is a lot of floor work. I was using the gym mats, but my knees, lower back, and glutes were hurting from being on the floor.
This mat is the perfect thickness and feels wonderful during floor exercises. It gives me the extra cushion I need without being difficult to use. It’s also lightweight, durable, easy to clean, and easy to roll up for transport. The pink makes me smile. That said , the mat makes the classes more enjoyable.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Great value
Color: Aqua, Style: 1-Inch
Perfect exercise mat. It is nice and thick, and comfortable to kneel and lay on. Can't comment on durability, but so far, so good. Recommended.
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Reviewed in the United States on May 14, 2026