Ridea

Ridea Pneuma BCSA/BCSB Crankset for Brompton Bicycle

$844.00
Type
Spindle Materials
Spider Color
$844.00

Noted: Chainring NOT included

The last CNC technology is also available for small wheelers. Pneuma cranksets brings the ultimate crankset technology to our commutes.

Pneuma BCSB is our best ever double chainring crankset for Brompton bikes. It is also compatible with Dahon, Moulton and many others.

 

P/N Pneuma BCSA
Crank material CNC AL7150 (Sekoan crank arm)
Crank arm length 170 mm
Spider mount positions Three, in 10° steps
BCD 130 mm
5 arms
Weight 480 g (170 mm; TI64-24 mm spindle; w/o chainring)
Ridea chainrings LamiFlow R5ST series (1x)

Spindle diameter Spindle material Spindle length Bearing contact area Chain line Q factor
24 mm SCM440 or TI64 130 mm 96 mm 48 mm 164 mm

 

 

P/N Pneuma BCSB
Crank material CNC AL7150 (Sekoan crank arm)
Crank arm length 170 mm
Spider mount positions Three, in 10° steps
BCD 130 mm
5 arms
Weight 490 g (170 mm; TI64-24 mm spindle; w/o chainring)
Ridea chainrings LamiFlow R5ST series (2x)



 

Spindle diameter Spindle material Spindle length Bearing contact area Chain line Q factor
24 mm SCM440 or TI64 130 mm 96 mm 48 mm 164 mm