CycleOps Leveling Block

. Ditch that old phone book and instead use this Cycleops Leveling Block instead. It firmly grips the front wheel of your bike and holds it firmly in place and keeps your bike level when using a rear mounted trainer. A simple but very effective upgrade to your indoor training set up Features Keeps your bike level with your trainerAdds stability to your training rideFor use with any rear wheel mounted trainerBuy CycleOps Nutrition & Training from Chain Reaction Cycles, the World's Largest Online Bike Store.