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A lever is only as good as the point it turns on.

The pivot defines the arc. The arc defines the effort, the travel, and the hold. ARCLOCK, the JuinTECH proprietary pivot geometry, runs each lever along a calculated curve so friction stays low through the stroke and the force lands at the end where it locks. About half the hand force, with none of the clamping strength given up.

With two levers the action is lighter and more even still, which matters when you adjust the seat height or fold the bike several times a day.

Metal art with a job to do.

The double-lever body is machined from 6061 aluminium and reads as a mechanical object rather than a fastener. Use it on the seatpost or on the stem hinge; the swap from the stock clamp is straightforward, and the durable surface finish keeps the pivot smooth and the hold firm for years.

Colour-matched across the whole bike.

Every PRECISO part is anodised under strict colour control, so the front suspension, rear suspension, kickstand, hinge lever, stem cap, headset and clamps on your Birdy all land on the same shade. No mismatched parts, no compromise. Five colours: Black, Silver, Red, Gold, Grey.

CNC-machined from 6061 aluminium, 100% designed and made in Taiwan. JuinTECH is an OE parts supplier to Pacific Cycles; PRECISO parts fit every Birdy produced from July 2015 onward.

SEAT CLAMP, DOUBLE LEVER (BIRDY)

JN-HC2

SEAT CLAMP, DOUBLE LEVER (BIRDY)
  • Double-lever clamp with ARCLOCK proprietary pivot geometry: about half the hand force for the same clamping strength
  • Works as the Birdy seatpost clamp or stem hinge clamp; simple swap from the stock part
  • Two levers give a lighter, more even action than a single lever
  • CNC-machined from 6061 aluminium with a durable surface finish; 100% in Taiwan
  • Fits every Birdy produced from July 2015
  • Five PRECISO colours, colour-matched to every other JuinTECH part
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