As strong and durable as it gets the 321 is designed to be extra tough yet light. Nicely sculpted too so it doesn’t look like a blight on your bike.
| DIAMETER (mm): 27.2 / 31.6. |
|
LENGTH (mm): 300 / 350. |
| OFFSET (mm): 20. |
| MATERIAL: 3-D forged one-piece 6061 T6 aluminum. |
| WEIGHT (grams): 288 (length: 350). |