31.6 mm 350 mm / 400 mm Aluminium Seat Post with Clamp - Black Size:400 mm Its design keeps the weight

Its design keeps the weight load vertical

set and match

It supports your child's psychomotor development while they have maximum fun

ensuring optimal protection throughout the product's life span

To make it easier for your child to learn to play basketball

31.6 mm 350 mm / 400 mm Aluminium Seat Post with Clamp - Black Size:400 mm Its design keeps the weightDesigned for replacing the seat post on your Rockrider mountain bike. Technical features Diameter: 31. 6 mm Length: 350 mm or 400 mm Weight: 330 g or 340 g Material: 6061 aluminium Assembly tips Take care not to exceed the insertion limit of the seat post in your frame. Ensure that the saddle tube is clean. Put a bit of grease on the post to make it easier to slide and prevent water or dust from getting into the frame. Care tips Remember to regularly