Designed for Designed for replacing your bottom bracket. Sturdy aluminium bottom bracket.Triple chainwheel 7, 8 and 9 speed bottom bracket. 44/32/22 teeth Cranks: 175 mm

Designed for Designed for protecting you from the chain and chainwheels as you pedal.42/44-tooth chainset guard for protection from the bike's chain.

Designed for Bottom bracket bolt for screwing the crank arms to the bottom bracket of your bike.