KEEP STABLERaise the front wheel and keep the bike stable and upright for a better bike workout. Creates a level workout position by raising the front wheel in line with the rear.Adds front stability and balance aid. NON-SLIP DESIGNPads at the bottom protect your floor shape damage during training.Non-slip design, protect you.Excellent design provides better user experience. PROTECT YOUR FLOORUse with home trainers.Protect your floor while working out.Fits most sizes of bikes.So you can use it indoors without worrying about your floor . DURABLE Aluminum alloy wheel lifter, durable and lightweight. One purchase can be used multiple times, which is very economical and cost-effective. WIDE USE It has a graduated interior designed to fit both MTB wheels and road bike wheels. Universal fit for all rear bike wheels with hollow axle. Description: If you do your cycling training with your bike slightly uneven on the ground, it will cause hand fatigue.This item is designed for better indoor cycling training, it raises the front wheel to keep the bike parallel to the ground and straight for stable and safe cycling.Made of aluminum alloy, it is durable and lightweight, with pads at the bottom, the wheel riser can protect you from slipping and your floor from damage at the same time.The groove fits most sizes of bikes, road bikes, mountain bikes.Its ideal for indoor cycling training. Features: 1. Raise the front wheel and keep the bike stable and straight for a better bike workout. ; 2. The pads at the bottom protect your floor from damage during training. 3. Non-slip design,keeps you safe. 4. Aluminum alloy wheel lifter, durable and lightweight. 5. Fits most bike sizes. Specification: Material: Aluminum Alloy Color: Black Size: 22.8*11.8*5.7cm/8.97*4.46*2.24 Weight: approximately 165g Package Included: 1 * Wheel Riser Only