Shimano Internal Battery Di2 BT-DN300 Built-in

【JOOM Approved! Sold & Shipped by Trusted Japanese Sellers】

🔹 Operated by Verified Japanese Sellers – Approved by JOOM, our experienced Japanese sellers provide reliable service. Authenticity Assured 🔹Every piece is meticulously authenticated and inspected under strict Japanese quality standards. 🔹 Direct Shipping from Japan – Carefully packed and promptly shipped straight from Japan. 🔹 Japanese-Standard Quality Control – Strict inspections ensure only high-quality products reach you. 🔹Electronics Note (When Applicable) Japanese electronic goods run on 100V (Type A plug). A step-down voltage transformer is required in 220–240V regions.A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. 🔹 About Included Manuals – If a manual is included, it will primarily be in Japanese. ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝

SD300 ports: 3 Di2 Di2 integrated specification Category: Unisex Adult