These are Universal Silicone Crank Protectors, designed to fit 99% of MTB Crank sets. Part number:SBRC2183.
x2 Bike crank protector crankset protection decoration sleeve crank cover UK
2x Bike crank protector crankset protection decoration sleeve crank cover
2x Bike crank protector crankset protection decoration sleeve crank cover UK
42T Mountain Bike Chain Guard Wheel Cover Protector Crank Ring Cover Replacement
CRANK ARM PROTECTOR COVER GUARD BOOT SET FOR SHIMANO SRAM FSA CRANKSET MTB ROAD