HEIR Darkbar™ Carbon Handlebar

$100.8 ~~$140~~ In stock

Heir

Possibly the best youth handlebar on the market. Constructed of UD carbon fiber to be light and compliant. Available in both 19mm and 22.2mm grip diameters.

Specifications

DIMENSION	19mm Version	22.2mm Version
Width	680mm	680mm
Center Diameter	31.8mm	31.8mm
Bar End Diameter	19mm	22.2mm
Rise	40mm	15mm
Back Sweep	9°	5°
Up Sweep	5°	3°
Weight	127g	166g

NOTE: 19mm version requires 19mm grips. Most controls (brakes, shifters, dropper post levers) are designed for 22.2mm and will require a shim to fit on a 19mm bar.

Do not use the carbon bar for downhill, dirt jumping or other forms of riding that put extreme stress on the bar.

Before you pay

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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If you need a refund

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.4 / 5 · 5 reviews)

George H. ★★★★★ Oct 18, 2026

Swapped my kid's old aluminum bar for this carbon one and the weight difference is immediately obvious. The 19mm grip diameter fits their hands perfectly and the ride feels much smoother over bumps.

Emma M. ★★★★★ Sep 15, 2026

Swapped the stock alloy bar on my son's BMX for the 19mm version and the weight difference is obvious the moment he lifts the front end. The UD carbon soaks up chatter from rough pavement way better than the metal bar did.

Alexander ★★★★★ Sep 14, 2026

Put these on my kid's race bike and the weight difference is honestly noticeable — he's carrying less up the hills now. The 22.2mm grips lined up perfectly with his existing setup, and the UD carbon seems to soak up the chatter from rough pavement. Way stiffer than the alloy bar we had before.