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In 2025, Sixweel became the first Chinese cassette brand to officially debut on the World Tour. After being tested by the World Tour, we continue to seek ways to improve product performance.
Materials and Process Updates: Sixweel Evo 12-speed Cassettes have obtained stable processing and heat treatment data by continuously optimizing the processing flow. The above materials can ensure that the processed products meet the design accuracy to the maximum extent. The strength after CNC hollowing can meet the needs of professional competition use, improve durability, reduce the mileage required during the running in period, and have higher durability compared to stamping processes， gears can withstand higher torque. We use different materials in different areas through calculations and long-term data feedback to achieve a balance of efficiency, stability, corrosion resistance, durability, lightweight, and aesthetics.
Upgraded Compatibility:
Sixweel 12s Evo Cassettes are compatible with HG 11s freehub ONLY;
Shimano 12-speed road group set (*Shimano or YBN chain);
SRAM 12-speed AXS road group set(*SRAM flat top chain).
*The new Evo Cassettes will be equipped with a dedicated 11t gear for SRAM chains.
Structural Patents: Both sides of 11-16T gears are split piece CNC machined to provide more efficient shifting angles for adjacent gears; single-piece gear design includes washer thickness to increase the contact surface of each gear with the freehub to improve transmission efficiency while preventing damage to the freehub; 17-27T are Monoblock CNC fabricated from steel or special titanium alloys.
Available Weights and Ratios:
12-speed Evo Steel version 11-30T 178g, 11-34T 188g;
12-speed Evo Half-Ti version 11-30T 148g, 11-34T 155g, 11-35T 159g;
12-speed Evo Full-Ti version 11-30 118g, 11-34 132g, 11-35 139g. (*Different surface treatment processes may lead to weight variations.)
In Stock item ships out in 1-3 business days. Pre-Order item ships out in 2 weeks.
Material Characteristics: TC4/Grade5 titanium alloy, tensile strength reaches over 1050Mpa after special heat treatment, and the surface hardness of the axle body reaches 36HRC.
Appearance and structural design: Pursuit of extreme lightness and quality, not to shorten the length or reduce the diameter of the top to pursue lightness, so as not to cause damage to the washers or frame due to excessive pressure.
Optimized functionality: The 6 mm hex tool position is made of a special titanium alloy with a hardness of 46 HRC in the hex tool position, which prevents tooth slippage due to deformation.
Processing Technology: Sixweel utilizes Ti-Master technology to achieve 0.45 to 0.5mm (±0.01mm) uniform wall thickness on high hardness titanium alloy materials. Under the premise of ensuring concentricity, the wall thickness is fully guaranteed to have a cross-sectional area of 14.1 square millimeters, which can withstand an equivalent tensile force of more than 1000kg, and the actual tensile test results are higher than the calculated results.
*Actual design and processing parameters are subject to adjustment without notice.
Safety Test: Passed torque test and machine test;
Torque test:
20Nm continuous disassembly 50 times, check the torque value at 5 intervals, no damage;
12Nm continuous disassembly 500 times, check the torque value at 20 intervals, no damage;
Machine tension test: machine test tension value is more than 1000kgf, (The version used during testing has a wall thickness of 0.4mm).
In Stock item ships out in 1-3 business days. Pre-Order item ships out in 2 weeks.
Material Characteristics: TC4/Grade5 titanium alloy, special heat-treated to over 1050Mpa tensile strength and 36HRC surface hardness.
Appearance and Structural Design: We start CNC machining from a complete piece of titanium alloy, we reserve enough contact surface for screws, frame and brake calipers, provide enough longitudinal support and torsional support to ensure that high intensity braking will not cause damage to the screws or the frame, as well as the angle of torsion, etc. SixWeel provides high- strength customized titanium alloy screws to ensure the stability of the parts in high-intensity working conditions.
Structural Design: Derived from the design of the Ti-Master brake base, we have retained more material in the stress areas due to the use of different materials to ensure that the brake base achieves the same level of performance as the Ti-Master product.
Optimized Functionality: Compared to the 3D printing process, the whole piece of TC4 titanium alloy is CNC machined for higher precision, more stable material density and more stable physical properties.
Processing Technology: Special heat treatment, 4AXIS CNC machining.
In Stock item ships out in 1-3 business days. Pre-Order item ships out in 2 weeks.
2025 World Tour:
Sixweel and Ti-Master components appeared in multiple World Tour teams, completing races and winning stages.
Material Characteristics: TC4/Grade5 titanium alloy, tensile strength reaches over 1050Mpa after special heat treatment, surface hardness reaches 36HRC.
Appearance and Structural Design: TC4 material characteristics and direction of force, to ensure the stability of shifting and reduce the damage to the frame in case of impact. Non-critical stress areas are hollowed out to reduce weight.
Structural Design: Derived from the Ti-Master design, due to the use of different materials, we have retained more material in the stress areas to ensure that the tailhook achieves the same level of performance as the Ti-Master product.
Optimized Functionality: Compared to 3D printing and CNC machining of aluminum alloys, TC4 titanium alloys are CNC machined as a whole for higher precision, more stable material density, and more stable physical properties.
Processing Technology: Special heat treatment, 4AXIS CNC machining.
In Stock item ships out in 1-3 business days.
Pre-Order item ships out in 2 weeks.
