Every carbon frame on the market is made from virgin fiber, baked from scratch in a mold, no exceptions — until this week. Carbon Wasp, the tiny Yorkshire outfit that hand-builds its Truffle-120 in a Leeds workshop, just updated that frame to include roughly 10% recycled carbon fiber in the layup. Not recycled from old bikes dug out of a landfill — recycled from manufacturing scrap, run through a process developed by a University of Bristol spinout called Lineat Composites. It’s a small percentage. It’s also the first time it’s happened in a mountain bike frame, and that’s worth more attention than the number alone suggests.

I’ll say the skeptical part up front, because the brand voice around here doesn’t let marketing claims walk through unchallenged: 10% recycled content isn’t a green bike. It’s a first step, and a genuinely interesting one, but don’t let anyone’s press release talk you into thinking this frame is dramatically different from the one it replaces. It mostly isn’t. That’s actually the point.

Quick Take

What it is	Updated Truffle-120 frame with ~10% recycled carbon fiber in the layup
Travel	120mm rear, 29in wheels, XC/trail/downcountry geometry
Recycled fiber source	Lineat Composites, a University of Bristol Composites Institute spinout
What’s new besides fiber	Carbon linkage plates swapped for aluminum at both shock mounts
Frame-only price	£2,700 (~$3,600 USD)
Frame + Cane Creek DB IL shock	£3,050 (~$4,100 USD)
Sizing	Four frame sizes, chainstay adjustable 435mm–460mm
Availability	In stock now at carbonwasp.com; no stock complete builds, custom builds on request
Best for	Riders who want a boutique British-made XC/trail frame and care about where the carbon came from
Skip if	You want a complete bike off the shelf, or you need the lightest possible frame and aren’t willing to pay a premium to find out if that changed

What Actually Changed on the Truffle-120

Two things, and only one of them is the headline. First, roughly 10% of the carbon fiber used across the frame’s layup is now recycled, sourced from Lineat and blended into Carbon Wasp’s existing pre-preg carbon construction. Second — and this is the change that’ll matter more to anyone who’s had a frame crack at a pivot — the carbon linkage plates at both ends of the shock have been replaced with aluminum. Aluminum is cheaper to CNC-machine accurately and faster to produce, which matters a lot more to a four-person workshop than it does to a factory running injection molds. Everything else on the frame carries over: downtube storage, internal routing, ISCG mounts, a threaded bottom bracket, Boost spacing, UDH compatibility. This isn’t a new bike. It’s the same 120mm 29er XC/trail frame Carbon Wasp has been building by hand, with a different fiber blend and a more sensible linkage material.

What Is Recycled Carbon Fiber, Actually?

Recycled carbon fiber in a bike frame doesn’t mean ground-up old frames melted back into new ones — carbon fiber can’t be re-melted like aluminum or steel. It means short, chopped offcuts from carbon manufacturing (the scraps that get trimmed and binned at every factory that cuts pre-preg sheets) get mechanically realigned into a continuous, unidirectional tape that can be laid up like virgin fiber, at a fraction of the embodied carbon cost of making new fiber from scratch.

That’s exactly what Lineat Composites does, and it’s worth sitting with why this took years of academic research rather than just happening. Chopped fiber is structurally weak compared to continuous fiber — the fibers point in every direction, so load doesn’t transfer efficiently. Lineat’s patented process, which grew out of research at the University of Bristol’s Composites Institute, disperses those short fibers in water and mechanically realigns them into a uniform, unidirectional tape that mimics how continuous fiber behaves. The company says the result retains around 80% of the mechanical properties of equivalent continuous fiber, at less than half the carbon footprint of producing virgin material. That’s a genuinely useful number if it holds — it’s the difference between “recycled” meaning “slightly worse” and “recycled” meaning “nearly as good, for a fraction of the climate cost.”

Does 10% Change How the Frame Rides?

Almost certainly not in any way you’d feel on a trail. Carbon Wasp hasn’t claimed weight or stiffness changes from the fiber swap, and 10% of a layup — especially when it’s performing at 80% of continuous fiber, not replacing a structural load path outright — isn’t the kind of change that shows up in ride feel or on a scale. The aluminum linkage plates are more likely to matter in daily use than the recycled fiber is: aluminum bearing housings are easier to source replacement bearings for and don’t carry the same risk of a hairline crack going unnoticed the way carbon can.

Here’s the honest framing: the recycled fiber content is a manufacturing and sourcing story, not a performance story. Nobody doing a blind ride test is going to pick out the Truffle-120 from a stack of otherwise-identical carbon frames. The news here is that a mountain bike brand did it at all, not that doing it changed what the bike feels like underneath you.

Pricing and Sizing

Carbon Wasp sells the Truffle-120 as a frame, not a complete build — there’s no stock complete bike to point at, which tracks with how this brand has always operated. Frame-only runs £2,700 (roughly $3,600 USD at current exchange rates). Add a Cane Creek DB IL shock and it’s £3,050 (about $4,100). Four frame sizes cover the front triangle, and the chainstay length is adjustable from 435mm to 460mm independent of frame size — useful if you want a shorter rear end on a bigger front triangle, or vice versa, rather than being locked into whatever chainstay length the size chart assigns you.

Custom builds are available on request, which is the normal path for a workshop this size. If you want this frame built up and shipped as a complete bike, you’re coordinating that with Carbon Wasp directly, not clicking “add to cart” on a finished spec.

Truffle-120 vs. the Rest of the UK Boutique Carbon Field

Carbon Wasp isn’t the only small British outfit building carbon frames by hand, and the Truffle-120’s price sits right in the middle of that field rather than at either extreme.

Frame	Construction	Frame-only price	What makes it different
Carbon Wasp Truffle-120	Handmade carbon, ~10% recycled fiber	£2,700 (~$3,600)	First MTB frame with recycled carbon in the layup
Hope HB912	Handmade British carbon	£4,000	Longer wait list, bigger-travel trail bike, no recycled content claim
Revel Ranger Ti	3D-printed titanium front, carbon rear	$5,969	Exotic materials story, but about durability and rarity, not sustainability
Atherton	3D-printed titanium lugs, carbon tubes	Varies by model	Also small-batch UK carbon manufacturing, currently recovering from a Welsh factory fire

The Hope comparison is the useful one. Hope builds its HB912 in Britain too, at a higher price and with a travel figure aimed at a different kind of riding, but nothing in that bike’s story touches recycled material — it’s a durability and provenance pitch, not a materials-science one. The Truffle-120 is the cheaper of the two UK-made carbon frames here, and it’s the only one that can say anything at all about where its carbon scraps came from.

Against the Santa Cruz Blur Mk5, which covers similar 120mm downcountry travel from a much larger factory-scale brand, the comparison isn’t really fair in either direction. Santa Cruz has engineering and testing resources a four-person workshop will never have. Carbon Wasp has the freedom to adopt a recycled-fiber supplier the moment the fiber is ready, without six layers of corporate sign-off standing in the way. Small brands get to move first on things like this. That’s not nothing.

Who Should Actually Buy This

Riders who want a British-made carbon XC/trail frame and like that the sourcing story is genuinely new. If you were already shopping boutique carbon in this travel class, the recycled-fiber angle is a real differentiator, not greenwashing — Lineat’s process is independently documented research, not a marketing invention.

Anyone building a custom spec who wants chainstay length as a separate dial from frame size. The 435–460mm adjustment range, decoupled from the four front-triangle sizes, is a genuinely useful fit option that bigger factory brands rarely offer at this price.

Who Should Skip This

Riders who want a complete bike shipped and ready to ride. There’s no stock build here. You’re buying a frame and sourcing or coordinating the rest, which adds time and effort a lot of riders don’t want to deal with.

Anyone chasing a verified weight or stiffness improvement. Carbon Wasp hasn’t published numbers showing the updated frame is lighter, stiffer, or stronger than the previous Truffle-120. The pitch is sourcing, not performance.

Budget-conscious riders who just want a 120mm carbon frame at the lowest price. Frameworks’ enduro and DH frames prove you can get carbon gravity bikes in stock at a lower price than boutique British builds — different travel category, but the same lesson applies: small brands aren’t automatically the expensive option, and it’s worth shopping around before committing to any one workshop’s story.

The Bottom Line

Ten percent recycled carbon fiber isn’t a revolution in how mountain bikes get built, and Carbon Wasp isn’t pretending otherwise. What it is: the first documented instance of a production MTB frame using Lineat’s realigned recycled fiber in a structural layup, built by a brand small enough to adopt it the moment it was ready, at a price that undercuts most of its British carbon competition. The aluminum linkage swap will probably matter more to long-term owners than the recycled fiber will. But the fiber story is the one that matters for the category — somebody had to go first, and this week, it was a four-person workshop in Leeds, not one of the big factory brands with the marketing budget to make more noise about it.

If you’re already in the market for a handmade UK carbon frame in this travel range, the Truffle-120 earns a spot on the shortlist on sourcing alone. If you’re shopping on weight, stiffness, or a complete bike you can order today, this isn’t the frame that changes your decision — it’s the frame that changes what question gets asked next time a bigger brand launches something similar.

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Details sourced from Carbon Wasp’s official Truffle-120 product page, the Bristol Composites Institute’s writeup on Lineat’s fiber-alignment process, and launch coverage from Singletracks and Pinkbike. Pricing current as of October 2026 and subject to change at retail.