Description
Sitting at the top of Enigma’s adventure offering, the Signature Endeavour is the fully bespoke, made-to-order interpretation of the Endeavour platform. Where the standard frame is built around stock geometry, the Signature route gives you scope to specify the frame around your own bike fit and finishing preferences, hand built one at a time from steel tubing in a small UK workshop.
Frame & build
The Endeavour is drawn from Reynolds 853, an air-hardened steel that gains strength through the welding process and delivers the kind of long-distance ride feel that has kept steel relevant in the gravel and bikepacking world. Stability-focused geometry, generous clearances and considered tube profiles combine to produce a bike that stays calm with kit on board and still feels lively when you strip it back for a day ride on local lanes.
This iteration carries stiffer UDH dropouts for current and upcoming drivetrains, an engraved stainless-steel bridge that works as both structural detail and craftsmanship signature, and clearance for tyres up to 50mm. The 68mm BSA threaded bottom bracket and external cable routing keep maintenance honest and roadside repairs realistic. Multiple mount points open the bike up to racks, cages and full frame-bag setups for serious self-supported routes.
Specifications
- Frame material: Reynolds 853 steel, hand built to order
- Intended use: bespoke gravel and bikepacking builds, long-distance touring
- Tyre clearance: up to 50mm
- Bottom bracket: 68mm BSA threaded
- UDH-compatible rear dropout
- External cable routing
- Engraved stainless-steel bridge
- Eleven stock sizes plus bespoke fit option
Sizing & fit
Specify your size from Enigma’s stock geometry or commission a frame built around your bike-fit data for a truly personal adventure machine.





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