**TANGESEIKI TG36IS245LT BK Bicycle Head Parts** - **Color:** BK (Black) - **Upper Size:** 1-1/8” - **Lower Size:** 1.5” (1-1/2”) - **Type:** Integrated - **Weight:** 89 g - **Stack Height:** 16.0 mm (Upper: 15.4 mm, Lower: 1.6 mm) - **Material:** A 6061-T6 - **Includes:** Aluminum cap set - **Bearings Used:** - (Upper): #1538 - (Lower): #1718 (51.8 x 40 x 8 mm x 45D) - **Compression Ring:** For #1508 - **Crown Race:** For #1718 *Please note that product design, specifications, and appearance may change without prior notice.* **Cycle Parts:** Bicycle Head Parts, Headset, Road Bike, MTB, Mountain Bike, Cyclocross, Cross Bike.