チューブ120 ライトチューブ レッド 中強度 WYロゴ　スイムスマーターキット交換用

这是一个适用于SwimSmart Kit PRO的120cm训练管，可连接到现有的训练管以增加训练范围。它有助于增强上半身运动，提高力量和功率。

• The description claims that the product can be used to increase training range when connected to existing training tubes.
• The description claims that using different strength upper arm and palm tubes simultaneously recreates the feel of actual swimming.