If planning a large wardrobe with 4 or 5 or more doors, then look no further than the SAHECO SF-30 or SF-53 sliding door gear. Available in up to 5m long track, and in single, twin or double track configurations. Ideal for use with MDF doors; maximum weight for the SF-30 is 30 kgs per door, maximum weight for the SF-53 is 45kgs per door. Action is smooth and quiet with a ball bearing system within the body of the roller wheel. The picture above is of the SF-53.