Sun Ringle Bubba Freehub Body Featuring a robust alloy construction, this replacement freehub body kit provides maximum strength and durability on your mountain bike (MTB) trail riding adventures. Specially tailored for compatibility with Sun Ringle Super Bubba and Bubba hubs, this replacement is a great choice for breathing new life back into your rear wheel. Genuine Sun Ringle replacement part.Features: Material: Alloy Use: MTB Hub Compatibility: Super Bubba and Bubba hubs Freehub Compatibility: Multiple options available to selectManufacturer's Part Numbers: 281-37248-K001 Pink Shimano 281-37248-K002 Purple SRAM XDBuy Sun Ringle Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.