Mullet Setup & Flip Chip Guide

Dirtlab — Paratu CP & Iuhu CP Geometry System

Flip Chip Position Simulator

Rider-perspective end-on view of the eccentric disc (item 25) inside the lower yoke bore (item 37). All five positions shown simultaneously — click a tab to highlight one and see geometry values.

BACKWARD −5mm
BACKWARD −2.5mm
CENTER 0mm
FORWARD +2.5mm
FORWARD +5mm
FORWARD +5mm · 29”
Head Tube Angle 63.9°
Seat Tube Angle 77.8°
BB Height 340 mm
Chainstay 448 mm
Rear Wheel 29”
Chip FORWARD
Offset +5 mm
27.5" REAR WHEEL ONLY 29" REAR ONLY ← −5 ← −2.5 ↔ 0 → +2.5 → +5 BACKWARD −5 mm 27.5" rear BACKWARD −2.5 mm 27.5" rear CENTER 0 mm 27.5" rear FORWARD +2.5 mm 29" rear FORWARD +5 mm 29" rear pill = flip chip disc (item 25) • inner circle = eccentric bore • rider perspective end-on • ← bore left = shorter CS / bore right → = longer CS
BACKWARD chip
Bore offset toward rear. Shortens chainstay −2.5 or −5 mm.
27.5" rear wheel only.
CENTER chip
Bore centred in yoke. Neutral chainstay length.
27.5" rear wheel only.
FORWARD chip
Bore offset toward front. Extends chainstay +2.5 or +5 mm.
29" rear wheel only.
Bolt spec: M12×1.5TPI — M6 hex key — 15 Nm  •  Source: Iuhu CP Tech Manual V1 (Apr 2026) p.12 — “ROCKER TO YOKE VIA FLIP CHIP”  •  Paratu CP exploded view: items 23–25, 37–38