27.2 mm 400 mm Aluminium Seat Post with Clamp Size:Unique size - There is a joint

- There is a joint over the toes to easily place it over the end of the foot

prevents the boot from slipping backwards when going uphill and stabilises the boot

Zipped collar

Adjustable straps | Foam back | Chest & waist belts

These swimming jammers are great for intermediate swimmers aiming to improve their technique

27.2 mm 400 mm Aluminium Seat Post with Clamp Size:Unique size - There is a jointDesigned for replacing your seat post on seat tubes with a 27. 2 mm internal diameter. Technical features Diameter: 27,2 mm Length: 400 mm Tilt adjustment: Yes Offset: 16 mm Material: 6061 aluminium Clamp: 16 18 Nm Insertion limit: Yes Assembly tips Take care not to exceed the insertion limit of the seat post in your frame. Ensure that the seat tube is clean. Put a bit of grease on the post to make it easier to slide and prevent water or dust from