BBB Bicycle Top Di2 Black , Rise, Compatible, 31.8mm, 90mm, 30D, BHS-26,

✅ AUTHENTIC PRODUCTS FROM JAPAN & SECURE PACKAGING - All products are genuine items sourced from trusted Japanese suppliers. - Product packaging, labels, manuals, or tags may be in Japanese. - We pack items carefully for safe international delivery. ✅ IMPORTANT NOTICE - Please check the product images, size, specifications, and compatibility before purchase. - For electronic items, Japan uses 100V and Type A plugs. A voltage transformer may be required. - Games, DVDs, Blu-rays, and media items may have region codes or Japanese-only language settings. ------------------------------ A stem that achieves an upright riding position with a +30° angle and 40 mm rise. Unique clamp mounting structure that does not require star nuts Modern, one-pie