Product Description The RockShox steel coil for metric shocks with 47.5 - 55 mm stroke This steel coil from RockShox is 134 mm long and is suitable for steel coil shocks with metric dimensions and 47.5 to 55 mm stroke. Specifications:Application:Downhill, Enduro, All MountainRear Shock (Size x Travel):185 x 47.5 mm, 185 x 50 mm, 210 x 50 mm, 185 x 52.5 mm, 210 x 52.5 mm, 185 x 55 mm, 210 x 55 mmStroke:55 mmInner Diameter:38.5 mmCompatibility:RockShox steel coil shocks with metric dimensions and 47.5 - 55 mm strokeModels:350 lbs: Coil Length:134 mmSpring Rate:350 lbs/inchManufacturer Number:00.4118.200.000 400 lbs: Coil Length:134 mmSpring Rate:400 lbs/inchManufacturer Number:00.4118.200.001 450 lbs: Coil Length:134 mmSpring Rate:450 lbs/inchManufacturer Number:00.4118.200.002 500 lbs: Coil Length:134 mmSpring Rate:500 lbs/inchManufacturer Number:00.4118.200.003 550 lbs: Coil Length:134 mmSpring Rate:550 lbs/inchManufacturer Number:00.4118.200.004 600 lbs: Coil Length:134 mmSpring Rate:600 lbs/inchManufacturer Number:00.4118.200.005 650 lbs: Coil Length:134 mmSpring Rate:650 lbs/inchManufacturer Number:00.4118.200.006Contents:1 x RockShox steel coil Manufacturer: SRAM LLC 1000 W. Fulton Market 4th Floor Chicago IL 60607 USA info@sram.com Distributor: SRAM Europe Sales and Services B.V. Paasbosweg 16 3862 ZS Nijkerk Netherlands info@sram.com