Classic and elegant style 1x crankset specifically designed for your Brompton.
CHARACTERISTICS:
Model name: Ridea IT BCSA
Crank material: CNC AL7150
Crank arm length: 170 mm
Compatible chainrings: Ridea Lami·Flow R5-ST series (single only)
BCD: 130 (5 arms)
Q factor: 164 mm
Weight: 484 g (stainless steel) or 438 g (titanium)
Spindle material: Stainless steel (standard) or Titanium (optional)
Spindle diameter: 24 mm
Available colors:
crank arm：polished black, polished gold, polished silver, matte bronze
spider：polished black, polished gold, polished silver, matte bronze, matte classic red, matte champagne
Note the color(crank arm & spider) you want
Chainring:
W0T: 46t (88 g); 48t (101 g); 50t (111 g); 52t (113 g); 54t (119 g); 56t (126 g); 58t (133 g)
W3T: 46t (91 g); 48t (98 g); 50t (105 g); 52t (112 g); 54t (118 g); 56t (120 g); 58t (130 g)