2 of these (5mm together)spacers will be perfect for 6 to 7 or 7 to 8 speed. This is the case usually with kids gear bikes (Islabikes, Frogs., Squish and so on).
ROADNADO Hydraulic Bike Brakes Set Mountain Bike Disc Brakes, Bicycle Disc Brake Set, 160mm Rotor, Front 800mm Rear 1400mm MTB Hydraulic Brake Set Aluminum Alloy Oil Brake for Universal MTB Road Bike
FIFTY-FIFTY Mountain Bike Saddle, Comfortable Memory Foam Padded Bicycle Seat, Breathable Waterproof Bicycle Saddle for Men and Women, Compatible with MTB, Road Bike, E-MTB, Touring
FIFTY-FIFTY Mountain Bike Seat, Comfortable Memory Foam Bicycle Saddle
BEENOPT Bike Down Tube Frame Protector,3M MTB Bicycle Frame Guard for Mountain Bike, BMX, MTB, Road Bike, Protect Bike from Collision and Scratch
FIFTY-FIFTY Mountain Bike Saddle, Comfortable Memory Foam Bicycle Seat, Soft Waterproof Bicycle Seat for Men and Women, Compatible with MTB, Road Bike, E-MTB
