Air Tool Flex Pump Size:One Size Compatible with: KMC e1 single

Compatible with: KMC e1 single speed

Single Speed & 1-7 speed internal gear hub compatible

3 (36T)Made from: 7075-T651 Aluminum AlloySurface coating: AnodizingMade with: CNC millingOvality: 12%Timing: 108° after TDC (top dead center)Compatible cranksets: SRAM X9

Old Man Mountain racks are designed for versatility

Air Tool Flex Pump Size:One Size Compatible with: KMC e1 singleThe Air Tool Flex Pump uses an inverted camber design that allows for quick fill up on mountain tires, yet it can still reach the high pressures needed for road tires. Twin Schrader and Presta thread on T head. Inverted barrel design allows for efficient high volume and high pressure pumping. Lightweight and compact hose with built in flex to prevent excess stress on valve stems. Water bottle boss mount included. Max pressure: 100 PSI (6. 9bar) Volume