Seret atau potong gagang lama dengan sangat hati-hati. Bersihkan setang dengan sabun/air untuk menyingkirkan debu dan minyak WD-40. Gunakan 3-4 tali plastik panjang sebagai "sulur" untuk menyeret gagang baru masuk setang. Gunakan hairspray, hand sanitizer, atau zat cepat menguap lainnya ke bagian dalam gagang. Dorong gagang sepenuhnya masuk setang, puntir untuk meluruskan konturnya.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Sometimes, careful cutting with a razor blade is necessary; try not to scratch your chrome. If you want to save the grips without cutting, spray WD-40 between grip and handlebar, giving it 5-10 minutes to work its way into the grip. Twist to spread the WD-40 inside the grip and pull it off easily.  Stick a screwdriver between the bar and the grip if you cannot get under the grip well, using it to prop the grip up while you spray it down. If stuck, you can use compressed air from a compressor or