The Tern Tool ensures you stay on your bike, and don’t get stuck roadside. Specially designed for Tern bikes, the multi-tool boasts 20 must-have tools, including a 15 mm wrench for tightening axle nuts and pedals and a 6 mm wrench for adjusting Tern joint levers. Folds into a flat, compact size and can be easily slipped into pant pockets or a ride jersey.