Description

The Qulbix swing arm 2025 is constructed from high-strength Cr-Mo steel with a tensile strength of 1200 N/mm² and wall thickness varying between 1–2 mm. This lightweight yet durable swing arm is engineered to handle the high torques generated by larger hub motors.

Compatible with Qulbix frame models: Q76 (all years), Q140 (all years), Q80, Q155.

Colour: black (standard), other colour possible – custom.

Drop-out width: 155 mm (standard), 165 mm (custom).

Weight of the product: 2.1 kg.

Motor compatibility: Designed for hub motors with 10 mm or 12 mm motor axle flats and dropout widths of 150–155 mm. This swing arm will work perfect with the QS 205 50H V3 and QS 273 motors.

Included:

• 2x M8x30 Allen Bolt
• 2x Bearing (Installed)
• 2x Bearing Bushing (Installed)
• 2x Bearing Aluminum Washer
• 1x M8x45 Bolt
• 2x M8 Washer
• 1x M8 Lock Nut
• 2x M6x25 Allen Bolt
• 2x M6x30 Allen Bolt
• 4x M6 Washer
• 1x Brake Caliper Bracket
• 1x Swingarm

Comparison between the new (2025) and the older model:

Additional information