BYISYUE 20mm silicone replacement band for Amazfit GTR Mini/GTR 42mm & GTS 4/4 Mini (plus Bip 3 series)
Product description
At a glance
If you’ve got an Amazfit watch and you want a simple way to refresh the look (or replace a worn strap), this BYISYUE silicone replacement band is designed to do that job without fuss. It’s a 20mm sport watch strap made from TPU silicone-style material, aimed at daily wear and active days where you’d rather not use a rigid strap.
It’s not a “smart” upgrade, and it won’t fix problems with the watch itself. But as a replacement band, it can be a very practical purchase—especially if you like swapping straps for different outfits or training sessions. One thing to note: it’s explicitly not for Amazfit GTR 47mm, so it’s worth double-checking your exact watch model before ordering.
The essentials
This replacement band is sold as a compatible option for a range of Amazfit models mentioned in the listing, including models in the Active 3 / Active 2 family, GTR Mini / GTR 42mm, GTS 4 / GTS 4 Mini / GTS 3 / GTS 2 / GTS 2e / GTS 2 Mini, and several Amazfit Bip variants (such as Bip 3, Bip 3 Pro, Bip U, Bip U Pro, Bip Lite, Bip S, and Bip S Lite).
On paper, that broad compatibility is the main appeal: it’s built for people who want a replacement strap that matches the correct size and clasp system for their watch.
What it’s made for (and what it feels like)
The strap uses TPU material, described as durable, dustproof and waterproof, while also being soft and lightweight. That mix is exactly what you tend to look for in a sports strap: comfortable against the wrist, less likely to feel bulky during movement, and generally easier to live with when your day includes workouts, commuting, or outdoor time.
A small practical example: if you do a morning run and then carry on with errands, a silicone-style strap can be the kind of choice that stays comfortable even after you’ve warmed up. And if it gets a bit dusty or splashed, the listing positions it as waterproof and dust resistant—useful for that “wear it all day” approach.
What stands out in daily use
The clasp and fit matter more than people expect, because a strap that doesn’t lock confidently becomes annoying quickly. This BYISYUE band includes a “new strap clasp design”, described as more secure and with one-button removal for easier fitting.
You should expect a straightforward installation and removal process based on the listing. If your current strap is loose or showing wear, this is the type of replacement that aims to bring back a more secure feel.
That said, it’s still a silicone/TPU band. If you’re chasing a premium leather or metal finish, this won’t be that direction—it’s firmly in the sport-focused category.
Colours and style choices
The listing says the straps come in many “rich and discreet” colours. For buyers, this is often about practical style: if you want your watch to match workwear on weekdays and switch to a different look for weekends, having multiple colour options can be more useful than you’d think.
Just keep in mind that “discreet” colours may look a bit subtle depending on lighting, so it’s worth choosing based on what you actually wear most.
Key specifications
- Type: Silicone replacement watch strap (sport band)
- Material: TPU (silicone-style)
- Strap width/fit: 20mm
- Water resistance & protection (as claimed): waterproof and dustproof
- Design notes (as listed): new clasp design, one-button removal
- Compatibility note: not for Amazfit GTR 47mm
Is it worth it?
Buy it if you want a 20mm silicone/TPU replacement band for one of the listed Amazfit models and you care about comfort and everyday practicality. It’s a good fit if you wear your watch during workouts, commuting, travel, or outdoor activities, and you’d rather have a lightweight strap that suits regular use.
Skip it (or at least double-check carefully) if your watch is Amazfit GTR 47mm, because the listing says it’s not compatible. You may also want to think twice if you’re after a dressier strap look, because this is built around a sporty silicone feel rather than premium materials.
For most shoppers looking for an easy refresh or replacement strap, this sits as a straightforward, value-for-money type of purchase—useful when you want the watch to keep doing its job without overcomplicating things.