Bontrager Pro IsoCore VR-SF Road Handlebar

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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 (max torque 13.5Nm)
Compatible with clip-on aero bars (max torque 13.5Nm)

"I won't be taking it off my bike anytime soon, that's for sure"

"It transmits positive road feel while permitting fine control, and with a sensible bike set up, can leave you feeling less fatigued after a hard ride"

"The comfort shines through as the drone of rough pavement attempts to fatigue your hands"

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

Unique materials, layup 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 manufacturer’s recommended torque value before installing pads.

Size	360mm/380mm	380mm/400mm	400mm/420mm	420mm/440mm	440mm/460mm
Hood width	360mm	380mm	400mm	420mm	440mm
Drop width	380mm	400mm	420mm	440mm	460mm
Clamp	31.8mm	31.8mm	31.8mm	31.8mm	31.8mm
Bend	VR-SF	VR-SF	VR-SF	VR-SF	VR-SF
Drop	125mm	125mm	125mm	125mm	125mm
Drop flare	4 deg.	4 deg.	4 deg.	4 deg.	4 deg.
Reach	75mm	75mm	75mm	75mm	75mm
Cable routing	External	External	External	External	External
Material	Carbon	Carbon	Carbon	Carbon	Carbon
Weight	225g	230g	233g	240g	245g

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, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.

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

We’ll make this a great experience

Awesome free shipping options

30-day Unconditional Guarantee

All-road comfort

Product details

4/5 stars

"Cushioned carbon for increased comfort"

"Infused with IsoCore goodness"

More options

Trek Aero RSL Road Integrated Handlebar/Stem

Trek Madone KVF Aero Integrated Handlebar/Stem

Trek Madone SLR Road Handlebar

Bontrager RSL Aero Road Handlebar

Bontrager Pro IsoCore VR-CF Road Handlebar

Bontrager GR Pro IsoCore Gravel Handlebar

Bontrager Aero Pro Road Handlebar

Bontrager Aero Pro Road Handlebar

Bontrager Pro VR-C Road Handlebar

Bontrager Elite VR-C Road Handlebar

Bontrager Elite IsoZone VR-SF Road Handlebar

Bontrager Elite IsoZone VR-CF Road Handlebar

Bontrager GR Elite IsoZone Gravel Handlebar

Bontrager Elite Aero VR-CF Road Handlebar

Bontrager GR Elite Road Handlebar

Bontrager XXX Integrated Road Handlebar/Stem

Bontrager XXX VR-C Road Handlebar

Bontrager Comp Road Handlebar

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Product features

VR-SF: Variable Radius-Shallow Flare

OCLV Carbon

Bar-end Di2 junction box compatible

30-Day Unconditional Guarantee

Torque to spec

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