Can the bars be used with any 31.8mm stem?

The diameter of the handle bar is 31.8mm, it can be installed well with any stem with the same diameter. However as this drop bar is made of carbon fiber, we suggest to use carbon stem with it.

Is installation difficult? Do they require special tools for installation?

No, the installation method of the bicycle handlebar is easy, no special installation requirements for these carbon bike handlebar, use hex wrench to insall is ok.

Does this handlebar reduce wind resistance? Is its weight suitable for racing?

Yes, this carbon handlebar is flat-design, can reduce wind resistance on cycling. And made of lightweight carbon fiber, which is perfectly choice for racing.

Do they come pre-drilled for internal wiring?

Yes, there are 4 holes pre-drilled on the handle bar, can support for internal wiring routing.

Have buyers noticed any flex when braking hard?

The handlebars do flex slightly when riding out of the saddle or climbing hard, which is expected with carbon fiber bars and helps absorb road vibrations, reduces hand soreness.

Manufacturer	RXL SL
Brand	RXL SL
Model	Carbon fiber Road Bike Handlebars bicicleta de ruta Aero Bars for Road Bike handle bars 400mm drop bars carbon 31.8 bars
Product Dimensions	40.01 x 10.39 x 0.1 cm; 210 g
Item model number	RXLSL20180058
Manufacturer part number	RXLSL20180058
Item Weight	210 g

Carbon Fiber Road Bike Handlebars 400mm Drop 31.8mm Width Black Aero Bars for Road Bikes 3K Matte Finish Wind-Resistant

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