CycleOps 3-Level Bicycle Trainer Riser Block

If you use an indoor bike trainer, you need a good riser block to maintain your stability. The CycleOps 3-Level bicycle trainer riser block is a unique three-level design that lets you pick a height for your front tire that will stabilizes your bike for a worry-free ride in any rear-mounted trainer. Just set your front wheel on your choice of height grooves and you can replicate your outdoor riding posture and never leave home.

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