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Service Course B2 Stem
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Achieve control with the Zipp Service Course Stem—strong, reliable, and sleek
Built to deliver both performance and precision, the Zipp Service Course Stem is a high-value choice for any serious rider. Made with 6061 aluminum and designed with a 3D-forged construction, this stem provides stiffness without unnecessary weight, ensuring responsive handling and control. It features an adjustable rise, allowing us to customize our ride position for comfort or aerodynamics. The four-bolt faceplate design with Torx T25 bolts ensures easy installation, while its modern aesthetics complement any frame style.
Details
- Durable and stiff 6061 aluminum construction for reliable handling
- Available in ±6° and ±25° rise options to customize riding position
- 3D-forged design for improved stiffness-to-weight ratio
- Four-bolt faceplate with Torx T25 bolts for secure installation
- Item #ZIPZ057
- Material
- AI-6061
- Steer Tube Diameter
- 1-1/8in
- Length
- 60, 70, 75, 80, 90, 100, 105, 110, 120, 130mm
- Rise
- [60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm] 6°, [75mm, 90mm, 105mm, 120mm] 25°, [60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm] -6°, [75mm, 90mm, 105mm, 120mm] -25°
- Clamp Diameter
- 31.8mm
- Claimed Weight
- [100mm/-6 deg] 5.6oz (160g)
- Stack
- 40mm
- Bar Attachment
- 4-bolt
- Activity
- bike
- Includes
- T25 torx tool
- Manufacturer Warranty
- 2 years

Making You Faster
Zipp Speed was founded in 1988 with the sole mission of making you faster on your bikes. Zipp produces the highest performing, most durable wheels and components.
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