This worked out as 2 x 25 cm pieces ( zero waste )The foam is supplied as a single 50 cm length. This can easily be cut using household scissors.
Mobility Scooter Handlebar grip foam replacement upgrade handgrip sponge
2 x 50 cm Mobility Scooter Handlebar grip foam replacement handgrip sponge
Universal Mobile Phone Holder Mobility Scooter Handlebar Adjustable Mount
WATER PROOF MOBILITY SCOOTER PHONE HOLDER AND HANDLEBAR BAG
Mobility Scooter Tiller Handlebar 100% Waterproof Cover Fits Sunrise Sterling S425 and S700 Model Scooters