The HEIR Direct Mount Crank offers direct mount crank versatility and performance, in crank lengths that are optimized for young riders.
Features
- Stiff and light cold forged design.
- Compatible with 3-bolt direct mount chain rings.
Specifications
COMPONENT
|
WEIGHT |
HEIR 110mm Direct Mount Crank |
454 grams |
HEIR 130mm Direct Mount Crank |
470 grams |
HEIR 152mm Direct Mount Crank |
509 grams |
Chain Ring - 28t |
58 grams |
Chain Ring - 30t |
68 grams |
Bottom Bracket |
138 grams |
DIMENSION
|
110mm
|
130mm |
152mm |
Crank Arm Length |
110mm |
130mm |
152mm |
Q Factor
|
151mm |
170mm |
170mm |
Spindle Diameter |
24mm |
24mm |
24mm |
Determining Chain Ring Offset:
- If your bike has 148mm rear spacing (Boost), choose 3mm chain ring offset
- If your bike has 135mm or 142mm rear spacing, choose 6mm chain ring offset (most kids bikes fall under this category).
Assembly Instructions