Brompton right hand (as you sit on the bike) spider crank (introduced on 2013 model Bromptons) for use with the spider right hand chain wheel and JIS bottom bracket. (i.e. the post-2013 Brompton spider crankset)
This is the BLACK edition - black crank
Crank length: 170mm
Crank fitting: Square taper
Pedal fitting: 15mm
Brompton Q-part code: QCRANKRH-SPI-BK
Brompton part number: 9000906