Classic and elegant style 2x crankset specifically designed for your Brompton. In combination with one of the Ridea Speeder Packs for Brompton, you can easily increase the gear options of your bike to 2 or 8 speeds.
CHARACTERISTICS:
Model name: Ridea IT BCSB
Crank material: CNC AL7150
Crank arm length: 170 mm
Compatible chainrings: Ridea Lami·Flow R5-ST series (double only)
BCD: 130 (5 arms)
Q factor: 164 mm
Weight:493 g (stainless steel) or 446 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: 53/39 (142 g); 56/44 (174 g)