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First Look: Actofive Unveils Fully CNC’d Aluminum P-Train

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First Look: Actofive Unveils Absolutely CNC’d Aluminum P-Practice

Actofive left us with jaws on the ground when it unveiled its steel and aluminium P-Train again in Might of this yr. The bike mixed a steel-tubed entrance triangle with a CNC machined rear triangle in a masterful metallic mashup. We’re at the moment awaiting our take a look at model to reach within the mail, however within the meantime, Simon Metzner has produced one other model of the bike, this time absolutely CNC machined from 7075 aluminium.

Metal and aluminium (left) and absolutely aluminium (proper)

Taking it again a bit, Actofive is a small a part of bigger firm Simon runs referred to as Metzner Engineering. His every day bread is the creation of CNC elements for the mechanical engineering and automotive industries, from the sketch to the completed half. The metal framed Actofive is at the moment welded by native companions, however with the machines and information already a part of his every day life, it appeared like a logical step for Simon to begin producing his mountain bikes utilizing the identical expertise.

The body is inbuilt two halves from a strong block of aluminum; it is value noting that to simplify the manufacturing course of and improve the reliability it isn’t a joined shell building however two strong halves.


Body Materials: 7075 aluminum
Journey: 140mm rear, 160mm entrance
Wheelsize: 29″
Head angle: 64.5°
Attain: 475mm for measurement M
Worth: TBC
Extra Data: actofive.com

The edges are then joined predominantly utilizing bonding, though the rear finish is identical as on the unique bike and is joined utilizing titanium bolts.

This is not a carbon copy of the unique Actofive, although, with the obvious change being a realigned shock. Moderately than sitting horizontally and becoming a member of the downtube, it now’s mounted vertically and meets the body on the highest tube. Simon says the kinematic stays the identical regardless of the change however it offers the entrance triangle better stiffness, offers him extra space to mess around with completely different rockers and leaves sufficient house to mount a big water bottle within the entrance triangle.

With out the restriction of utilizing spherical tubing, the body now appears extra swooping however many of the bike continues to be comparatively unchanged. It nonetheless has 140mm of rear journey, a excessive pivot suspension design and 29″ wheels. Nonetheless, Simon did take the chance to tweak among the geometry numbers so the top angle drops from 66° to 64.5° and the attain shrinks again barely from 480mm in a medium to 475mm.

The swing arm stays unchanged from Simon’s different bike and is joined with titanium bolts

With Simon bringing the manufacturing in home, it ought to be a extra environment friendly and reproducible course of than the metal tubes of the opposite model of this bike. Due to this, he is hoping the pricing between the 2 frames shall be related, though that is nonetheless to be confirmed when the testing course of is completed. Simon is at the moment testing the sturdiness of the 2 frames and dealing on making minor enhancements as testing progresses. He’s hoping to make a restricted manufacturing run when he feels the bike is prepared.
For more information and to comply with the event of the bike, comply with Actofive on Instagram, here.


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