Message Center > Your Messages > Buyer/Seller Messages. 【4-IN-1 Folding Exercise Bike for Home Workout】The upright posture of this bike provides you with high-intensity exercise, helping you burn more calories. The semi-recumbent posture offers a low-impact and more comfortable riding experience. Additionally, this bike comes with arm resistance bands to help tone your upper muscles and provide a complete body workout. 【Bottle Holder】We've intentionally added a Bottle Holder to this bike, which is something that other X-BIKE models don't have. Conveniently located at arm's length, it helps you stay hydrated during your cardio workouts. The adjustable size design accommodates different bottle types."> 【Guaranteed Customer Service】POOBOO offers excellent customer service, guaranteeing responses to our customers within 24 hours, and providing a 1-year warranty service. Please don't hesitate to contact us if you encounter any issues with the product you've received. (Please DO NOT CALL our service number because it is not correct. You can simply reach out to us using the methods mentioned below. Thank you.) We'll definitely help you resolve it! 【CONTACT US】Whether you have questions before or after your purchase, here's how to get in touch with us: Look for "activitylife" below the "Buy Now" button on the product page. Click on "activitylife," and then choose "Ask a Question" to contact us. Follow the provided prompts to send your message. You can read and respond to our messages in your Account > Message Center > Your Messages > Buyer/Seller Messages. 【4-IN-1 Folding Exercise Bike for Home Workout】The upright posture of this bike provides you with high-intensity exercise, helping you burn more calories. The semi-recumbent posture offers a low-impact and more comfortable riding experience. Additionally, this bike comes with arm resistance bands to help tone your upper muscles and provide a complete body workout. 【Bottle Holder】We've intentionally added a Bottle Holder to this bike, which is something that other X-BIKE models don't have. Conveniently located at arm's length, it helps you stay hydrated during your cardio workouts. The adjustable size design accommodates different bottle types.