| Size | 20 x 5R/L x 3 20 x 10R x 3 20 x 20R x 3,5 |
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| Hole pattern | BB2 | ||
| A | 55 | mm | |
| D1 | 36 | mm | |
| E1 | 55 mm ±0.1 | ||
| H | 28 mm ±0.01 | ||
| H2 | 10 | mm | |
| S | 8.40 | ||
| T1 | 15 | mm | |
| T2 | 11 | mm |
| Mass | 1.18 | g | |
| Hex socket cap screw | M8 | ||
| B | 37.5 mm ±0.01 | ||
| D6 | 47 | mm | |
| E2 | 23 mm ±0.1 | ||
| H1 | 56 | mm | |
| N | 22 | mm | |
| S1 | M10 | ||
| S2 | M6 | ||
| Clamping length | 45 | L |
