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}e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black
} Inner cable for brakes made of stainless wire 2000mm x 1
}Ritchey WCS Carbon Headset Spacers 1-1/8 5mm Black 5-pack
Adjustable spring rate coil that's also progressive
Challenge Tire Alloy Valve Extender Kit 41mm CheckoutSpec= Bluto A1 (2012-2016) }e*thirteen Helix R 107 BCDChallenge 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
