A new-generation rear derailleur (RD) hanger co-developed by Ti Parts and Sixweel — combining Ti Parts’ precision hardware expertise with Sixweel’s engineering-driven structural design.
Built as a joint effort between two of the most respected component engineering teams in the industry, this hanger integrates the proven design principles from Ti Parts’ titanium hanger program with Sixweel’s advanced load-path analysis, alignment control, and manufacturing QC philosophy.
The result is a lighter, stiffer, more crash-resilient hanger that enhances shifting accuracy while offering a more accessible price point for daily riders and racers.
Key Features
1. Co-Engineered by Ti Parts × Sixweel
- Joint development combining Ti Parts’ precision component experience with Sixweel’s structural engineering capability.
- Inherits the alignment stability and load-flow principles from Sixweel titanium hanger platform.
- Further refined for aluminium with optimised deformation and weight efficiency.
2. 6061-T6 Aluminium
- High-strength, predictable deformation behaviour ideal for derailleur hanger applications.
- Excellent stiffness-to-weight ratio for consistent shifting performance.
- Lighter than Grade 5 titanium hanger equivalents.
3. Premium Metallic Powder Coating
- Ultra-fine metallic powder produces a brighter, sharper, more reflective surface.
- Colour remains stable under normal riding and storage conditions.
4. Ultra-Precision CNC Machining
- Machined to extremely tight controlled tolerances.
- Ensures precise hanger alignment with no need for shims or spacers.
- True drop-in fit across supported frame models.
5. Force-Optimised for Shifting Accuracy
- Sixweel’s force-path analysis improves lateral stiffness under shifting load.
- Reduces micro-bending to keep the derailleur in a stable trajectory.
- More precise shifting and quicker cassette engagement on modern 12-speed systems.
6. Crash-Optimised Protection
- Designed with controlled deformation behaviour instead of brittle failure.
- Impact energy is redirected toward the thru-axle and hub end cap, reducing stress to the frame.
- In most cases, the hanger retains functional integrity so you can finish the ride or get home safely after a crash.
7. Lightweight & More Accessible
- Noticeably lighter than titanium alternatives.
- A performance-forward upgrade over most stock hangers at a more accessible price point.
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Weights
Shimano ~ 24g/pc without nut
SRAM ~ 20g/pc without nut
Outer Thread pitch: M17x P2.0mm
Inner thread for thru axle : P1.0mm
*Please check nut spec & thru axle spec before place order
*Aluminium bolt with P1.0mm pitch still in production
Titanium UDH bolt (Compatible thread M17x P2.0mm, thru axle thread P1.0mm):
Note: After installation, the rear derailleur Hi, Lo, and B-Limit screws must be adjusted. If you are unfamiliar, please seek a professional bike mechanic for assistance.
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Compatibility
UDH Compatible Bikes such as:
Aurum Magma
Basso SV
Bianchi Impulso
BMC Kaius, URS 01
Cannondale Lab71 SuperX, Synapse, Topstone
Canyon Grail
Cervelo Aspero, R5, S5 2026
Colnago V5Rs Y1RS
Enve MOG
Norco Search
Orbea Terra
Specialized Crux
Standert Erdgeschoss, Kieswerk, Kreissage, Pfadfinder
Trek Checkmate, Checkout, Checkpoint, Madone Gen 8
Wilier Rave
XDS X-Lab
Van Rysel
and more!
You can find out the list of UDH-compatible SRAM-equipped bikes using this link and filter for "UDH"
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Links
For other Rear Derailleur Hangers,
Click Here
How to Claim
Simply contact our customer service team with:
- Your order number
- Photos of the damaged hanger
- A short description of the incident
Our team will verify your case and provide the discounted crash-replacement offer.
This program applies exclusively to crash-related damage and is designed to reduce the cost of unexpected accidents.
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