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Bontrager Pro IsoCore VR-SF Road Handlebar

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2022 - 2025

Bontrager Pro IsoCore VR-SF Road Handlebar

Model 5256859

Together, the IsoCore inner-laminar technology and IsoZone padding (sold separately) virtually eliminate road chatter.

Product details

OCLV Carbon with IsoCore continuous inner-laminar technology
Replaceable IsoZone EVA pads (sold separately) maintain original grip diameter
Confidently access brake levers while in the drops with the shorter reach and Variable Radius Shallow Flare (VR-SF) design
IsoCore technology decreases road vibration by 20% over traditional carbon bars
Compatible with clip-on aero bars
Compatible with clip-on aero bars

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The Variable Radius Shallow Flare (VR-SF) bar shape allows confident access to brake levers while in the drops with a 75 mm reach, 128 mm drop and 4° flare.

Unique materials, lay-up procedures and advanced engineering combine to make the most-advanced carbon available.

Keep your cockpit clean by using Shimano's EW-RS910 bar end junction box for the refined look that your bike deserves.

If for any reason you’re not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.

Learn more

WARNING: Install shifters to the manufacturer’s recommended torque value before installing pads.

Size	360mm/380mm	380mm/400mm	400mm/400mm	400mm/420mm	420mm/440mm	440mm/440mm	440mm/460mm	Not applicable/Not applicable
Hood width	360 mm	380 mm	400 mm	400 mm	420 mm	440 mm	440 mm	Not applicable
Drop width	380 mm	400 mm	400 mm	420 mm	440 mm	440 mm	460 mm	Not applicable
Clamp	31.8 mm	31.8 mm	31.8 mm	31.8 mm	31.8 mm	31.8 mm	31.8 mm	31.8 mm
Bend	VR-SF	VR-SF	VR-SF	VR-SF	VR-SF	VR-SF	VR-SF	VR-SF
Drop	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm
Drop flare	4 deg.	4 deg.	0 deg.	4 deg.	4 deg.	0 deg.	4 deg.	Not applicable
Reach	75mm	75mm	75mm	75mm	75mm	75mm	75mm	75mm
Cable routing	External	External	External	External	External	External	External	--
Material	Carbon	Carbon	Carbon	Carbon	Carbon	Carbon	Carbon	Carbon
Weight	225g	230g	233g	233g	240g	245g	245g	225g

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.

Weights are based off pre-production products at time of publication. Weights may vary in final production.

30 Day Unconditional Guarantee

Easy Returns

We're where you are!

Bontrager Pro IsoCore VR-SF Road Handlebar