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ZippService Course 70 B1 Ergo Handlebar

Sale 20% OffCurrent price:$44.00 Original price:$55.00

Item # ZIP007P

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  • Bead Blast Black/White Logo, 42cm ($44.00)
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Item # ZIP007P

Service Course 70 B1 Ergo Handlebar

Zipp's Service course lineup is about providing options to match every rider with a high-performance, precise fitting bar. The Service Course 70 B1 Ergo Handlebar delivers everything we want in a handlebar, at a price that's friendly on the wallet. It's designed using feedback from pro riders and pro bike fitters alike, with an ergonomic top section that's easy on the hands.

Over time, brake hoods have become longer so handlebar reach has trended shorter to accommodate. The short 70mm reach to the hoods allows a proper fit without compromising stem length and likewise your steering control. The B1 version of this bar sees some updates to match the higher end carbon SL-70 Ergo bars, but in sturdy aluminum package that weighs a reasonable 295g in the 42cm width.

A new variable radius drop allows multiple hand positions in the drops without sacrificing comfort, suiting riders who reach down to the drops as well as those that reach in and forward. The ergonomic flat top now has a 3-degree backsweep to improve wrist comfort. A 10-degree ramp angle provides a perfect transition from bars to hoods, and sizes 40cm and up work with clip-on aerobars. Also, the bar is drilled to be compatible with Shimano's RS910 bar-end junction box for a clean cockpit setup with your Di2 drivetrain.

  • Ergo bar delivering comfort and performance at a fair price
  • 6061 aluminum construction is durable and a reasonable weight
  • 70mm reach allows proper fit without compromising stem length
  • Variable radius drop allows multiple hand positions in the drops
  • Ergonomic flat top with 3-degree backsweep is easy on the wrists
  • 10-degree ramp allows seamless transition from bars to hoods
  • Compatible with Di2 bar-end junction box for clean cockpit
  • 4-degree outward flare in the drops provides comfort on long rides

Tech Specs
Material6061 aluminum
Width38cm, 40cm, 42cm, 44cm
Recommended Useroad cycling
Manufacturer Warranty2 years

Actual Weight

Bead Blast Black/White Logo, 42cm

Claimed Weight

Claimed weights are provided by the vendor.

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[42cm] 295g

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead

What do you think about this product?


>Rating: 5

Perfect ergonomic handlebar

I've put it through the wringer
True to size

I have these on my road bike in 42cm, and bought them specifically for the short reach (my bike was too long), but ended up loving everything about them. They're extremely comfortable in the tops, hoods, and drops. I wouldn't hesitate to put these on any style drop-bar bike. The affordable price is a bonus. I've ridden these over 1,500 miles at this point on various rides.


Is the center-to-center measurement made at the hoods? For example, is the 42 bar measured center to center at hoods, and then flares to beyond 42cm (4 deg) at the end of the drops?

Hey Brian, great question, thanks for asking! The measurement on these bars will reflect that of the hoods, and the flares will be wider by the 4 deg, you are exactly correct! Please feel free to email me directly at krakowski@competitivecyclist.com if you have any further questions! All the Best - Gearhead Kaylee