Dia-Compe Downtube Shift LeversThe Dia-Compe Downtube Shift Levers are high-quality, friction-based shifters designed for cyclists seeking precise and reliable gear changes. Crafted from durable aluminum, these levers are compatible with 2-speed and 3-speed front derailleurs and support 6-speed through 10-speed rear systems, making them versatile for various bicycle setups. Weighing approximately 64 grams per pair, they offer a lightweight solution without compromising performance. The levers are designed for braze-on downtube frame mounting and feature power ratchet friction control, ensuring smooth and accurate shifting without index positions, allowing compatibility with all systems.Spec- Downtube Shift LeversBraze-on Downtube frame fit.Power Ratchet friction control.No Index positions... works with all systems.Sold in Pairs.