Microshift Advent MX H-Series 10 Speed SpeedRamp Cassette Size:11-48 the Dura-Ace R9150 levers offer

the Dura-Ace R9150 levers offer better control and confidence in race conditions

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It has been redesigned from the ground up to provide you with precise and crisp shifting even without a battery

mounts to seat post or clips onto clothing/gearLight Modes: Multiple options on both lights including steady and flashCharging: USB rechargeable with built-in plugs (no cable required)Design: Compact and lightweight

Microshift Advent MX H-Series 10 Speed SpeedRamp Cassette Size:11-48 the Dura-Ace R9150 levers offerThe Advent MX cassette is the smoothest shifting, most durable cassette that weve ever made. That all starts with SpeedRamp, a series of discrete shifting ramps that move the chain quickly, quietly, and precisely under load. With separate ramps for moving the chain up and down the cassette, MX delivers fast, quiet shifts so you can concentrate on enjoying the ride. Features SpeedRamp technology delivers faster, quieter shiftingReplaceable small cogs