How BTLOS Rims Passed the UCI Test and Why It Matters

We used the standard series of ARC39 wheels for testing. After the test, the lateral runout and radial runout of the wheel only changed by 0.07mm and 0.05mm. This is a very amazing result.

Double Lock Carbon Spoked Wheelset From BTLOS

The newly designed double-lock carbon spoke wheels have passed all rigorous tests. Faster response, lighter weight, stronger rigidity, and more durable carbon fiber spoke wheels!

New Road DT350 Vs Old DT350

After 2 years, road DT350 is finally updated!

It's the same as the MTB DT350 2021+ update, reduced weight and the Ratchet system has been upgraded from the original 18T to 36T!

Introducing carbon spoked wheelset from BTLOS

After nearly 2 years of testing, we are proud to introduce the new carbon spokes wheelsets from BTLOS! This will be your new Race weapon!

BTLOS Referral Rewards

We will launch a referral cash reward on Black Friday and available for use existing orders. After you make a purchase, recommend your friend to buy. When your friend makes a successful purchase, both parties will have a $30 cash discount at the same time. The discount can be used for your current purchase order, up to a free order.

2022 China National Day Sale

For Chinese people there are many holidays in September and October, they are Mid-Autumn Festival(3 days off) and National Day(7 days off).

We will have a happy holiday. At the same time, we will also share this happiness with our customers who support us....


2021 is over. Thank you very much to all our customers who supported us this year. Best wishes and sincere blessings to our lovely customers in 2022. Hope you all are well.


Black Friday, Cyber Monday, this is the time of year where you can score some of the biggest savings at BTLOS. So here’s what you want to know about shopping the biggest sales event of the year.

2020 Merry Christmas

Christmas Sale

In the coming 2021, 2020 is a difficult year, but thank you for your support, BTLOS is still with you.

Any order placed on 2020/12/25 - 2021/01/12th, you can choose your favorite pattern, logo, or text to make decals and apply them on the rim you purchased, here you don't need to pay any decal Related expenses....

COVID 2019 time, free upgrade FedEx, TNT, XDB shipping

Dear customer, I hope you and your family are healthy. Please protect yourself, wash your hands frequently, wear masks, and minimize going out...

The deadline for the upgrade service is July 30, 2020

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