Chainbow Chainguard

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The Chainbow Chainguards are made of impact-resistant black plastic and aluminum. Telescoping function and variable positioning of the angle bracket make unit adaptable to many geo metries and component combinations. Will need to remove bottom bracket to install Please check compatibility with crank! Made in Germany Chainbow Instruction Manual Small - for chainring up to 38 teeth/diameter 158mm. Compatible with hub gears. Medium - for chainring up to 44 teeth/diameter 175mm. Compatible with derailleur. Large - for chainring up to 48 teeth/diameter 199mm. Compatible with derailleur. Show more