Chrome Plated Steel Frame Skived Sides Tubular Steel Rivets Form-Molding Leather Seat Ideal for Road or Mountain Bikes Brooks Saddles Team Professional Classic is a new version of the timeless Brooks Saddle for sportive riders. It features tubular steel rivets instead of the hand hammered copper rivets, with skived sides. The frame is made of chrome plated steel. This honey leather saddle is ideal for road or mountain bikes, it weighs 500 grams.