# Wheels > Robotics wheels: TT and N20 wheels, omnidirectional Mecanum wheels, ball caster wheels and RC crawler tires - Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt) - Category page: https://sigmanortec.ro/en/wheels - Category: Mechanical components > Wheels - Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest) ## Products (14) ### Gear Motor Kit, TT, Plastic Wheel with Rubber, 3-6V - Page: https://sigmanortec.ro/en/gear-motor-kit-tt-plastic-wheel-with-rubber-3-6v - Details: https://sigmanortec.ro/en/llms/p/270.md - Price: 9.49 RON - Availability: In stock; 1-2 zile - Reference: 33079 · EAN: 5946450442388 - Specifications: Supply Voltage: 3; Maximum Input Voltage: 6 TT gear motor kit with plastic wheel and rubber band, for 3-6V. The motor is a DC 130 type with 1:48 reduction, providing 125 rpm at 3V and 208 rpm at 5V. The wheel measures 65x27 mm. The TT coupling allows quick assembly and compatibility with other wheels using the same connector. Suitable for robotics and DIY vehicle projects. Reference 33079. ### 35mm x 7mm wheel, N20 motor - Page: https://sigmanortec.ro/en/35mm-x-7mm-wheel-n20-motor - Details: https://sigmanortec.ro/en/llms/p/600.md - Price: 3.03 RON - Availability: Out of stock - Reference: 33435 · EAN: 5947652583343 White rubber wheel compatible with N20 type motors, with a diameter of 35 mm and thickness of 7 mm. Low weight of 3.2 g, profile with good grip on smooth surfaces, quick mounting on the motor shaft. Suitable for small robots and DIY projects requiring stable traction. Reference 33435. ### Robot swivel wheel - Page: https://sigmanortec.ro/en/robot-swivel-wheel - Details: https://sigmanortec.ro/en/llms/p/603.md - Price: 4.19 RON - Availability: In stock; 1-2 zile - Reference: 33119 · EAN: 5945450008235 Swivel wheel for robots, suitable as a front support for 2WD platforms, replaces a ball caster and provides 360-degree rotation. Wheel diameter 24mm, width 13mm, total height 33mm, base 38 x 32 mm with a 4mm mounting hole. Supports up to 10 KG. Reference 33119, EAN 5945450008235. ### TT 410 41mm wheel - Page: https://sigmanortec.ro/en/tt-410-41mm-wheel - Details: https://sigmanortec.ro/en/llms/p/604.md - Price: 1.82 RON - Availability: In stock; 1-2 zile - Reference: 33310 · EAN: 5943597811992 The TT 410 41mm wheel is a wheel for TT transmissions, suitable for robotics projects and compact mechanisms. It can be mounted on a classic TT reducer or directly on a 3mm shaft. The outer diameter is 41mm and the center hole is 3mm, for easy compatibility. The lightweight construction allows secure mounting and smooth operation. ### Ball mount CY-15A, 27mm, omnidirectional - Page: https://sigmanortec.ro/en/ball-mount-cy-15a-27mm-omnidirectional - Details: https://sigmanortec.ro/en/llms/p/741.md - Price: 6.27 RON - Availability: In stock; 1-2 zile - Reference: 33436 · EAN: 5945159856151 Omnidirectional support with encapsulated ball, ideal as a front wheel for robots and for easy guidance of loads on tables, conveyors or platforms. Provides precise movement in any direction, smooth and silent operation thanks to support bearings, steel construction with hardened and galvanized cup for corrosion resistance, quick assembly on flat surfaces. Encapsulated ball with support usually used as the front wheel for robots. The CY-15A transfer unit is designed to facilitate the movement and positioning of loads with precision and minimal effort, in any direction. ### Ball bearing N20, universal wheel - Page: https://sigmanortec.ro/en/ball-bearing-n20-universal-wheel - Details: https://sigmanortec.ro/en/llms/p/742.md - Price: 7.50 RON - Availability: In stock; 1-2 zile - Reference: 33569 · EAN: 5946518362214 Metal ball caster support for robots, used as a third support point on platforms with two drive wheels, allowing smooth movement in any direction. The 12 mm main ball rolls on 4 internal balls, disassemblable construction for cleaning, compact dimensions 22 x 16 mm. Attaches to the chassis at two points. Reference 33569. ### 65mm wheel with rubber - Page: https://sigmanortec.ro/en/65mm-wheel-with-rubber - Details: https://sigmanortec.ro/en/llms/p/921.md - Price: 16.32 RON - Availability: In stock; 1-2 zile - Reference: 9118 · EAN: 5944972542357 The 65mm wheel with rubber is made of plastic with soft rubber, providing smooth rolling and good grip on various surfaces. It has a total diameter of 65mm and a width of 26mm for stability. The shaft hole is 4.3mm, and the interior features a hexagonal M8 cutout for secure mounting. Suitable for DIY projects, robots, carts or mechanisms with a shaft. ### Omnidirectional wheel, Mecanum, Left, 48mm - Page: https://sigmanortec.ro/en/omnidirectional-wheel-mecanum-left-48mm - Details: https://sigmanortec.ro/en/llms/p/924.md - Price: 27.01 RON - Availability: In stock; 1-2 zile - Reference: 9121 · EAN: 5948026907154 Omnidirectional Mecanum wheel, Left version, with a diameter of 48mm and a thickness of 25mm. It features diagonally arranged rollers that rotate freely, enabling both classic and lateral movement. TT coupling with an internal diameter of 5.8mm, compatible with the shaft of TT motors (reference code 00079). Suitable for mobile platforms and DIY chassis. Reference 9121. ### Omnidirectional wheel, Mecanum, Right, 48mm - Page: https://sigmanortec.ro/en/omnidirectional-wheel-mecanum-right-48mm - Details: https://sigmanortec.ro/en/llms/p/925.md - Price: 27.01 RON - Availability: In stock; 1-2 zile - Reference: 9122 · EAN: 5940917458134 Omnidirectional Mecanum wheel, Right variant, 48mm diameter, 25mm thickness. Allows forward, backward and sideways movement thanks to freely rotating diagonal rollers for smooth maneuverability. TT coupling with 5.8mm internal diameter, compatible with TT motor shafts (ref. 00079). Reference 9122, EAN 5940917458134. ### Rubber wheel, 65mm, TT compatible, white - Page: https://sigmanortec.ro/en/rubber-wheel-65mm-tt-compatible-white - Details: https://sigmanortec.ro/en/llms/p/934.md - Price: 8.09 RON - Availability: In stock; 1-2 zile - Reference: 9123 · EAN: 5949797687085 Plastic wheel with soft rubber for robotics, 65mm diameter and 16mm width, white finish. Compatible with the yellow motor via TT connector, it offers better grip than standard yellow wheels, improving stability and traction on various surfaces. It is an easy upgrade for existing projects. ### Ball bearing, W420, universal wheel - Page: https://sigmanortec.ro/en/ball-bearing-w420-universal-wheel - Details: https://sigmanortec.ro/en/llms/p/950.md - Price: 5.02 RON - Availability: In stock; 1-2 zile - Reference: 9139 · EAN: 5949431768903 Ball caster universal wheel W420 for robotics, used as a front support wheel on platforms with 2 drive wheels or in 3-wheel configurations where low weight matters. Nylon holder with a 15 mm steel ball, mounted at 2 points 40 mm apart, mounting hole diameter 3.1 mm, total assembly height 20 mm. The ball can be removed for cleaning. Reference 9139. ### Rubber wheel FCL-3, 31x16x18mm - Page: https://sigmanortec.ro/en/rubber-wheel-fcl-3-31x16x18mm - Details: https://sigmanortec.ro/en/llms/p/2223.md - Price: 7.43 RON - Availability: In stock; 1-2 zile - Reference: 88064 · EAN: 5947433036570 Rubber wheel FCL-3, 31x16x18mm (ref. 88064) made of polymer rubber for industrial and robotics applications. Smooth surface, hardness 70-98 Shore A, tensile strength 8-55 MPa, elongation 400-650%, density 1.25 g/cm3. Resistant to heat, oil and pressure. Outer diameter 31mm, inner diameter 16mm, height 18mm. Provides good grip, including on glass, and stable, low-vibration rolling. ### Nexus Omnidirectional Wheel, 100mm, 18 Rollers - Page: https://sigmanortec.ro/en/nexus-omnidirectional-wheel-100mm-18-rollers - Details: https://sigmanortec.ro/en/llms/p/2354.md - Price: 193.37 RON - Availability: In stock; 1-2 zile - Reference: 88177 · EAN: 5942039066464 - Specifications: Diameter: 100 mm; Number of rollers: 18 Nexus omnidirectional wheel, 100 mm diameter, with 18 rollers arranged in two rows. Nylon body, rubber rollers, brass tube bearings. Load capacity 20 kg, weight 295 g. Allows movement, rotation and 360-degree lateral displacement without changing the platform orientation. Compatible with the 14049 racing wheel and with control systems such as Arduino, STM32, ESP32 via motor drivers like L298N, TB6612, DRV8833. ### AT Tire Set for RC Crawler 1/10, 96mm - Page: https://sigmanortec.ro/en/at-tire-set-for-rc-crawler-1-10-96mm - Details: https://sigmanortec.ro/en/llms/p/2054.md - Price: 189.20 RON - Availability: In stock; 1-2 zile - Reference: 9876 · EAN: 5947937279534 Soft rubber AT tires with removable foam inserts for 1/10 RC Crawler, provide high grip on varied terrain and a realistic look. The narrow profile with aggressive studs increases traction on obstacles, and the foam with serrations on the inside reduces slippage on the rim. Compatible with 3DSets models, diameter 96mm. Soft rubber tires with sponge insert, designed for 1/10 RC Crawler models, offering good grip on various terrains and a realistic look. They are made of quality soft rubber with removable foam inserts. The aggressive lug design and narrow profile maximize traction on rough terrain, making them the perfect choice for Crawlers.