Reverse components Black ONE D-2 31.8 mm stem

One stem, two standards. The Reverse Components Black One D-2 offers unmatched versatility, seamlessly fitting both Ø31.8mm and Ø35mm handlebars with its included reducer shim. This future-proof design is ideal for riders with multiple bars or those planning an upgrade. Its intelligent no-gap bottom clamp provides a smooth, wide contact area, ensuring even pressure and protecting carbon bars from stress. Crafted from durable 6061 T6 aluminum, this 35mm stem delivers exceptional stability and extends the life of your handlebar