700c, 27-Inch & 650c

- 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.

- A long time favorite, the Rouleur is back as part of the Prologue Alloy Series. A great upgrade over a heavy stock OEM wheel, the Rouleur offers a modern 19mm wide internal / 25mm wide external tubeless rim bed. - The Skyuka hub features 10 degree engagement, a centerlock design, and Abec 3 sealed cartridge bearings. - Built with Pillar TB2018 spokes and external brass nipples, the Rouleur is a great budget upgrade that can be used for everyday riding. - Handbuilt in Greenville, SC to be worry free, durable, and yet quite a bit lighter than what came on most bikes.

- A great upgrade over a heavy stock OEM wheel, the Rouleur Disc offers a modern 21mm wide tubeless rim bed. - All Prologue series wheels are built on Skyuka hubs featuring 10-degree engagement and Abec 3 sealed cartridge bearings. - The Skyuka disc brake rear hub is available in a Shimano Hyperglide and Sram XDR freehub body and requires no tools to swap between the different freehub body standards. - Built with Pillar TB2018 spokes and external brass nipples, the Rouleur is a great budget upgrade that can be used for everyday riding.

- 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 Prologue Series is a series of budget-friendly, economical wheel builds. - By utilizing a more automated layup process (which adds approximately 20 grams per rim), costs are kept down to spec a wheelset that has incredible performance for half to one-third of the costs of premium models. - The Prologue rims feature a hooked tire interface so you can use any tire brand at any pressure and not worry about the catastrophic tire blow-offs that a road hookless rim can suffer. - All Prologue series wheels come with the Skyuka hubs featuring 10-degree engagement and Abec 3 sealed cartridge bearings. - Built with Pillar Aero 1423 spokes and external brass nipples, the Prologue is built to be a great budget upgrade that can be used for everyday riding.

- The Prologue Series is a series of budget-friendly, economical wheel builds. - By utilizing a more automated layup process (which adds approximately 20 grams per rim), costs are kept down to spec a wheelset that has incredible performance for half to one-third of the costs of premium models. - The Prologue rims feature a hooked tire interface so you can use any tire brand at any pressure and not worry about the catastrophic tire blow-offs that a road hookless rim can suffer. - All Prologue series wheels come with the Skyuka hubs featuring 10-degree engagement and Abec 3 sealed cartridge bearings. - Built with Pillar Aero 1423 spokes and external brass nipples, the Prologue is built to be a great budget upgrade that can be used for everyday riding.

- Rim shape, width, and depth designed for the modern disc brake bike - Perfect, high performance all rounder set for mixed terrains, speeds and road conditions. - Hooked rim means you can run any tire, any pressure without risk of tire blowoff