爵士碟剎是童悅品牌其中一款童車，有14、16、18、20四種尺寸，共五款顏色。配置雙斜梁車架，環保烤漆，全新手提鞍座，加厚雙層磨邊鋁圈。新款鋁把立，山地車專用車把，加粗外胎，新款鐵框，三套軸承。連體輪盤，靜音輔助輪。

Jazz is one of the children's bicycles from the Toyou brand, available in four sizes: 14, 16, 18, and 20, with a total of five colors. Equipped with a double diagonal beam frame, environmentally friendly paint, a brand new handheld saddle, and thickened double-layer polished aluminum rings. New aluminum handlebar, mountain bike specific handlebar, thickened outer tire, new iron frame, three sets of bearings. Integrated roulette wheel, silent auxiliary wheel.