前花鼓，用于 V-BRAKE（V型刹车）
HB-T780
产品规格
| 型号 | HB-T780 |
|---|---|
| 系列 | SHIMANO DEORE XT T780 系列 |
| Color | Black, Silver |
| Average weight | 153 g |
| Axle_Length (mm) | 108 |
| Axle_Diameter (mm) | 14 |
| Axle Fixing method | 快拆 |
| Bearing_Cone | CBN |
| Brake Type | 轮圈刹车 |
| Flange diameter (mm) | 50.4 |
| Flange distance (mm) | 71.6 |
| Internal grease sleeve | X |
| O.L.D. (mm) | 100 |
| Offset (mm) | 0 |
| P.C.D (mm) | 40 |
| QR_Skewer Length_133mm | X |
| QR lever_Color | 黑色 |
| Seal | Labyrinth & Contact |
| Spoke holes_32H | X |
| Spoke holes_36H | X |