Challenge Tire Alloy Valve Extender Kit 41mm Hood Width-39.7cm The Box Two M30-P cranks

The Box Two M30-P cranks feature a 2-pc design with hollow forged aluminum arms integrated 4-bolt 104mm spider gear a 30mm hollow 7075 aluminum spindle to maximize strength and rigidity

Can be paired with drop bar optimized levers or drop bar compatible shifters

Approved for E-bike use

Weight: 60

6 upper/lower upper stack 5mm color turquoise weight 27g

Challenge Tire Alloy Valve Extender Kit 41mm Hood Width-39.7cm The Box Two M30-P cranksChallenge Valve Extenders 42mm Pair. These valve extenders are for removable core Presta valves. Stainless steel construction Removable core threads into extender TECH SPECS Valve Length Short 32 40mm Length 40