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The cushioning is slightly softer and more progressive than Fizik's racing saddles
Ring Position/Type: Chain Retaining Single Ring
The stiffer brake lever design provides added support for aggressive riding
Thru-axles sold separately
Service Course SL Stem costwd2 The cushioning is slightly softerThe Zipp Service Course SL Stem, crafted from 7075 aluminum, features a shape thats strong and lightweight, resulting in a 1. 85 grams per newton meter of stiffness. That results in no flex sprints and accelerations. FEATURES: Forged AL 7075 Machined and relieved faceplate Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment SPECS: Material: Aluminum S. H. I. S. Stem Clamp Diameter: 28. 6 Length:
