Nikovoke 2 PCS Bicycle Stabilizer Extension Bolts Axle Extenders, Most Bikes with 12 to 20 Inch Wheels, Rust Resistant for Kids and Adults Training Wheel Support

【 Stable Support 】 Two-piece set of bicycle auxiliary wheel extension shaft bolts, easily extending the axle length of 12 to 20-inch wheels. Provide sufficient installation space for children's strollers and small bicycles, ensure that the auxiliary wheels are firmly installed, and help beginners ride smoothly. 【 Rust Prevention and Strengthening 】 Made of high-strength carbon steel with galvanization treatment, the thread accuracy meets the standard. Combined with a widened gasket design, the shear resistance is 40% higher than that of ordinary bolts, avoiding bending deformation caused by long-term loading. 【 Peace of Mind Guarantee 】 When you install auxiliary wheels for your child and find that the original axle length is insufficient, or when an adult rehabilitation training vehicle needs reinforced support, this set of extended axles can quickly solve the problem. 【 Safety Component 】 The universal thread is compatible with most standard bicycle rear axles and can be installed without professional tools. It is recommended to use a bicycle repair kit for complete installation. 【 Guarding Growth 】 When every step a child takes from toddles to proficiency is as steady as a rock, this pair of extended axes serves as the most reliable transitional bridge between courage and independence.