Finna Explorer Frameset
The Finna Explorer Frameset is a premium, expedition-ready gravel chassis designed for those who demand the infinite durability of steel without sacrificing modern performance and speed. Crafted from heat-treated Reynolds 725 chromoly steel, this frame delivers a noticeably stiffer and more responsive ride than standard steel, offering the power transfer you expect on steep climbs while maintaining the legendary vibration-dampening comfort that only high-end steel can provide on rough, washboard roads.
Up front, the Explorer is paired with the Finna Full Carbon Adventure Fork, bringing the total frameset weight down and sharpening the handling. The fork features a tapered carbon steerer, internal hose routing, and triple-boss mounts for cargo cages, making it fully prepared for bikepacking duties.
Designed with the discerning mechanic and traveler in mind, the rear triangle features solid structural steel dropouts welded directly to the stays, ensuring that your 12x142 mm thru-axle threads directly into the frame's solid structure for maximum stiffness under heavy loads. Complemented by an independent, CNC-machined replaceable derailleur hanger, a reliable 68mm BSA threaded bottom bracket, and generous clearance for 700c x 50mm tires, the Finna Explorer is the ultimate foundation for your transcontinental touring rig or everyday gravel explorer.
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Ideal For
One bike, every kind of ride
The Finna Explorer is built around a single core principle: adaptability. Engineered with a durable frame geometry, generous tire clearance, and integrated mounting points, it transitions effortlessly across terrains and riding styles.
Commuting
Built for the daily grind, whatever the weather.
Transform your daily commute into the best part of your day. The Finna Explorer offers an upright, confidence-inspiring geometry designed to navigate urban traffic with ease, while full rack and fender compatibility means you can carry your work gear dry and comfortable—day in, day out.
Bikepacking
Load up. Disconnect. Go beyond.
When the road ends, the adventure begins. Equipped with multiple frame, fork, and cage mounts, the Explorer handles fully loaded setups without sacrificing stability or handling. From weekend overnighters to multi-week expeditions, it carries everything you need to lose yourself in the wilderness.
Gravel Rides
Fast on tarmac, fearless on dirt.
Pure gravel freedom without boundaries. With wide tire clearance and vibration-absorbing compliance, the Explorer delivers swift acceleration on paved roads and supreme control over loose gravel, technical tracks, and forest trails. One setup to conquer every surface.
Technical highlights
Every detail considered
Built around a premium Reynolds 725 heat-treated chromoly steel frame, the Finna Explorer is engineered to absorb road chatter, deliver smooth compliance, and handle long-distance demands without compromising durability. Its 142mm rear spacing ensures solid wheel retention and tracking, while the BSA 68 threaded bottom bracket and standard 27.2mm seatpost keep maintenance simple and parts easy to source anywhere your ride takes you.
Designed for ultimate versatility, it features a braze-on front derailleur setup (with included clamp adapter) supporting up to a 42t 1x or 50/36t 2x drivetrain. Flatmount disc brakes deliver clean, reliable stopping power, while the integrated 1-1/8” to 1.5” headset keeps handling crisp and stable. Rolling on 700c wheels with a 45mm fork offset, generous tire clearance of up to 50mm gives you the traction to tackle loose gravel and rough singletrack with total confidence. Equipped with three frame bottle mounts and two fork mounts, alongside full rack and fender compatibility, this steel frame is fully built to carry whatever your adventure demands.
Heat-treated chromoly steel frame paired with a lightweight carbon fork to dampen front-end trail chatter, shave weight, and deliver precise steering control.
Hydration and storage, front and rear.
100mm front, 142mm rear — stiff under load.
Runs standard 700c road tyres to high-volume 50mm gravel rubber for ultimate all-terrain versatility.
Simple, visible and repairable anywhere.
Strong modular braking front and rear.
Classic touring or bikepacking — your choice.
Specifications
Frame & Fork
| Frame | Reynolds 725 heat-treated chromoly steel |
| Fork | Finna Full Carbon Adventure Fork (with cargo mounts) |
| Fork offset | 45 mm |
| Through axle | 12x100mm front / 12x142mm rear |
| Dropouts | Solid structural steel with CNC-machined replaceable hanger |
Compatibility & Drivetrain
| Wheel size | 700c |
| Tire clearance | 700c x 50 mm |
| Headset | Integrated 1-1/8” upper / 1.5” bottom (Included) |
| Bottom bracket | BSA Threaded 68mm |
| Max chainring | 42t (1x), 50/36t (2x) |
| Front derailleur | Braze-on with included clamp adapter |
| Seatpost diameter | 27.2 mm |
Brakes & Details
| Brake mount | Flatmount (Front and Rear) |
| Frameset weight | 3030 g (size M — includes frame, carbon fork, headset, thru-axles, hanger & seatclamp) |
Geometry
| S | M | L | XL | |
|---|---|---|---|---|
| Seat Tube (C-T) | 420 | 470 | 523 | 580 |
| Top Tube (Effective) | 555 | 575 | 585 | 605 |
| Reach | 393.7 | 401 | 403.8 | 418 |
| Stack | 544.4 | 569 | 592.7 | 611.6 |
| Head Angle | 69.5 | 71 | 71 | 71 |
| Seat Angle | 73.5 | 73 | 73 | 73 |
| Chainstay | 450 | 450 | 450 | 450 |
| Wheelbase | 1063.7 | 1065 | 1075.9 | 1096.6 |
| BB Drop | 70 | 70 | 70 | 70 |