IRD Freewheel Cyclone Mark 1 7SP 13-28T NOS
IRD Cyclone Mark1 7 speed freewheel. 13-28 Tooth. -Special teeth profiles -Fully chrome-plated cogs -Heat-treated for durability -Alloy and polycarbonate glass fiber spacers -Double row precision bearings -Labyrinth seals -Standard ISO 1.375 x 24 TPI. -Sample weights: 5sp/13-32t: 400g 6sp/13-28t: 440g 7sp/13-24t:399g -Uses Shimano Type Freewheel Remover