They're made from industry standard diecast aluminium and feature extra-wide brake arm bends for larger tyre clearance eliminating any chance of brake arm rub

The Air Master features a load of other features from the investment cast dropouts

This is the Pro XL size with a 21

and removable gyro tabs and angled cable guides

Odyssey Quadrant Rim Colour:Black They're made from industry standardNew affordable rim from Odyssey. The Quadrant rim is made from 6061 T6 aluminium and uses a double wall design with one large hollow chamber through the middle for added strength. The Quadrant rim uses a unique pinned joint which uses 4 pins instead of the usual 2 to make a joint comparable in strength to a welded joint while saving costs. ###section### Product Specs WHEEL SIZE: 20" SEAM: Pinned ERD: 392mm HEIGHT: 18mm WIDTH: 34mm SPOKE HOLES: 36h