From a 2011 Brompton 6 speed.
Brompton Chain Ring Guard For Spider Crankset 50T/54T C-Line SPW Prints
MEGHNA Singel Speed Crankset 38T Crankset 170 mm Bicycle Crankset Aluminium Crankset MTB City Bike City Bike Women's Bicycle E Bike
Ronyme 36T Bike Crankset Bike Accessories High Strength Bicycle Crankset Professional Single Speed Crankset, Easy to Install,170mm Crankset Spare Parts for Variable Speed Mountain Bike Road Bicycle
MEGHNA 48 x 170 mm Crankset Bicycle Crankset Aluminium Crankset for MTB/City Bike/City Bike/Women's Bicycle (48T)
AEYINO 104 BCD MTB Crankset 30-38T - Hollow Integrated Mountain Bike Crank Set 170mm - 1x crankset Aluminum Alloy Bike Crankset with Narrow Wide Tooth Chainring Bottom Bracket Bolts for Mountain Bike
MEGHNA 46 x 170 mm Crankset Bicycle Crankset Aluminium Crankset for MTB/City Bike/City Bike/Women's Bicycle (46T)
