700c, 27-Inch & 650c

- Bombproof lightweight alloy wheelset. - Snappy and responsive, perfect for fast rides on the road, gravel, and cyclocross. - With the wide 21mm internal width, the Altamont is perfectly suited to road rides with 25mm+ tires and even gravel rides with up to 44mm tires. - A unique tubeless locking bead shelf helps prevent burping at even the lowest tire pressures, yet can withstand the high pressures of road tires. - A 2.8mm spoke offset makes for a better-balanced wheel with more event spoke tension between the right and left sides. - The result is a wheelset perfect for training, racing, or general performance riding.

- Alloy 700c rims - Tubeless compatible using supplied rim strips and valves - 23mm wide rim for better tire performance - 30mm rim height - Stainless steel, straight pull, double butted spokes - Dynamic Balanced Lacing provides significantly higher transmission stiffness vs. traditionally laced wheels - Alloy locking nipples - Giant Alloy hub shell with pawl based driver - Centerlock disc compatible

- GVL stands for gravel, and Greenville, SC where Boyd wheels are handbuilt. - Prologue series wheels are built Skyuka hubs featuring 10-degree engagement and Abec 3 sealed cartridge bearings. - Built with Pillar TB2018 round double butted spokes and external brass nipples, the Prologue is built to be a great budget upgrade that can be ridden hard in even the most demanding conditions.

The best price on the market for a wheel meant to be ridden. Single-wall rims and hubs that come out of the box round and true.