Through Authenticate 
Ridea ES R491 cranks represent the standard and most common choice for cyclists of all kinds among the Ridea catalog. With available chainrings from 48-32t to 56-44t and also options for single chainring, there is always a perfect combination for your rides.
| P/N | ES R491 |
| Crank material | CNC AL7150 |
| Crank arm length | 145; 150; 155; 160; 165; 167.5; 170; 172.5; 175; 177.5; 180 mm |
| BCD |
110 mm 4 arms |
| Spindle |
24 mm Steel or titanium |
|
Chainline Q factor |
44,5 mm 148 mm |
| Weight | 498 g (170 mm; Ti spindle; w/o chainring) |
| Ridea chainrings | LamiFlow R491 series (1x or 2x) |
| Colors |
Black (more colors are available as a customization option) |
