Custom, Handcrafted carbon creations designed, built and painted in Dublin, Ireland. Fifty-One is a different kind of bicycle.
Created in Ireland, by master frame builders, from the highest quality carbon fibre. Equipped with only the finest componentry. Painted and finished by hand, each to its owner’s unique design, to the highest of standards. Tailored to reflect the unique passion, personality and taste of individual riders.
25/08/2026
Social gravel ride tomorrow evening.
All welcome, just bear in mind there’ll be some technical sections, so basic bike handling skills or gravel experience is required.
Demo bikes available for anyone who wants to ride an Assassin, just pop us a DM to get set up.
📍 Hell fire club, Dublin
⏰ 6pm
📅 Wednesday 26th
17/08/2026
Social gravel spin this Thursday evening. Demo bikes available! Contact us for more details or pop along on your own bike. While an easy spin, the terrain requires moderate fitness & bike handling, otherwise all welcome 🙏
10/08/2026
Hard to beat a classic. Raleigh Panasonic inspired Assassin in the booth.
22/07/2026
Custom painted Sika in British Racing Green with a touch of gold. SRAM Force & Zipp 303s 🤌
16/07/2026
Some bikes belong in the mountains. Interstellar White Sika on the Hourquette d’Ancizan 🇫🇷
Captured by for as tackled one of the Pyrenees’ bucket list climbs.
Custom frame building, the heart of FiftyOne 🤝
09/07/2026
Fit first, electric second.
Luma is a lightweight all-road bike built around the ride, with discreet assistance that feels natural when you need it and disappears when you don’t.
Pearl White over Liquid Emerald Green. A custom painted Assassin, fresh out the booth🤌
29/06/2026
Thinking about an Assassin? Ride one this Thursday.
We’re bringing Assassin gravel demo bikes to the FiftyOne Gravel Social Ride from Hellfire Club Car Park.
Come for the spin, try the bike, and see how it feels on real roads and trails.
6.30pm rollout, social pace, all welcome. Ride your own bike or contact us if you’d like to book a demo.
*All bikes will have the standard number of handlebars.
A special milestone in Alex Albon’s Williams career provided the inspiration for a custom FiftyOne Sika.
Here’s a first glimpse of Alex’s Sika, drawing inspiration from his helmet design. The Sika will sit alongside his FW14-inspired Assassin pit bike.
The full video lands tomorrow.
| Monday | 9am - 6pm |
| Tuesday | 9am - 6pm |
| Wednesday | 9am - 6pm |
| Thursday | 9am - 6pm |
| Friday | 9am - 6pm |