Hesling Nostalgia chain guard for 28" bicycles Suitable for wheel size: 28" Color: black Material: Plastic Length: 68 cm Height: 23.5 cm Crank hole diameter: 46 mm Weight: 750 grams Including mounting material for the rear Excluding bottom bracket Because the chain is completely shielded at the front, feet and clothing cannot get caught. An additional advantage is that the lifespan of the chain is extended because moisture and dirt have less chance of damaging the chain.