ROCKBROS Bike Rollers Adjustable Bike Trainer Stand Foldable Indoor

Product Details: 
Brand:          RockBros 
Color:           Black/White 
Material:       Aluminum Alloy 
Size:            50.98*19.69 inches 
Suitable for:  16-29 inch bikes 
Net Weight:   About 6.50kg
Recommended use: indoor training, pre-race warm-up 
Features: 
High-strength and high-end aluminium alloy roller 
3 folds and lightweight for easier to carry and storage 
Bike wheels don't bound to frame helping simulate actual road race feel
Roller bicycle trainer with 3 thermoplatic rollers to hold bike wheels 
Parabolic rollers enhance stability and are safer than straight rollers
Nylon glass fiber and resistant PP roller lower abnormal noise between 60-75 dBs
(Moutain bike's sound will be lounder than road bike because of different tires) 
Matrix bridge structure:8 braces make force deployed evenly that can slow down shock when riding 
Roller distance adjustment hole design, fits 16-29 inch mountain bike, road bike, folding bike, etc  Silent Cycling Nylon glass fiber material, with impact resistant PP roller Greatly reduce abnormal noise Matrix Bridge Structure The foot support is evenly stressed, which reduces vibration Make the cycling more stable Adjustable Front Roller Front rollers are available in 5 different distances Compatible with more models Portable Foldable design, lightweight, small size Easy to move and carry Portable Foldable design, lightweight, small size Easy to move and carry Correctly adjust the length of the bike trainer. When placing the bike on the bike trainer, make the front axle as far as possible on the same vertical line with the front rollers, so that the distance is correct. Wrong demonstration 1: Bicycle front axle is too far forward Wrong demonstration 2: Bicycle front axle too far