CycleOps Indoor Bike Trainer Stackable Climbing Block Riser

❤️If you haven't already signed up on Poshmark, sign up with code lindakzr to receive $10 off your first order CycleOps indoor bike trainer stackable climbing block riser For a stable, worry-free ride in any rear-mounted trainer Unique 3-level design lets you select the level of difficulty Injection-molded construction is virtually indestructible Stack 2 blocks for 12 different adjustment levels and to simulate an uphill workout Long sides are 12” Channels measure 4” or 6” long This listing is for one block; I have a 2nd available in a separate listing (see last picture) If you bundle both, I will send you an offer for $35 From a clean and smoke free home