Solid Solutions - Axle Blocks, Honda &ndash; Blue Designed with tighter tolerances to offer a more precise wheel alignment, leading to longer chain and sprocket life! A properly aligned axle allows for maximum power to be transferred to your rear wheel! Ultra-light design saves weight compared to OEM or other aftermarket chain adjustment blocks. Reversible design to make gearing changes quicker. Polished and anodized for a great looking, durable finish.