With its mid-height knobs and wide spacing

these are designed to hold on to the chain while saving weight over a normal spider and ring combination

Tyre Compatibility: Up to 700 x 38c

7075 Aluminium

Traction Pins: 10 adjustable per side

Quadlock iPhone Bike Case - iPhone XR NoAusPost With its mid-height knobs andQuad Lock Cases feature their secure locking mechanism compatible with all twist, lock mounts, impact resistant edge to edge cover, and protective lining. With a tough, polycarbonate core and impact absorbing TPU edge to edge outer shell, you can be confident that your iPhone will be protected every day. The slim profile and soft touch material make it perfect for everyday use. Quad Lock MAG Cases are thinner and flatter with a customisable MAG Ring.