Ridea ES R4-91 cranks represent the standard and most common choice for cyclists of all kinds . With available chainrings from 48-32t to 56-44t and also options for single chainring, there is always a perfect combination for your rides.
Model name: Ridea ES R4-91
Crank material: CNC AL7150
Crank arm length: 145; 150; 155; 160; 165; 167.5; 170; 172.5; 175; 177.5; 180 mm
Compatible chainrings: Ridea Lami·Flow R4-91 series (single or double). Also compatible with any Shimano (R9100/8000/7000) compatible chaining.
Chain line: 44 mm
BCD: 110 mm (4 arms)
Q factor: 148 mm
Chain rings., Bottom bracket purchased seperatly extra
Allow 3-10 days delivery