1. Introdución
Welcome to the user manual for your new SJOEF Dolly 12-inch Kids Bike. This manual provides essential information for the safe assembly, operation, and maintenance of the bicycle. Please read it thoroughly before assembly and first use to ensure your child's safety and the longevity of the product.
The SJOEF Dolly bike is designed in Amsterdam, specifically for children aged 2 to 6 years, or those with a height of 95 cm and above. It features a trendy design and is equipped with removable training wheels to assist young riders. The handlebar and saddle heights are adjustable to accommodate your child's growth.
2. Información de seguridade
Your child's safety is paramount. Always ensure the bike is in good working condition before each ride and that your child wears appropriate safety gear.
- Uso do casco: Always ensure your child wears a properly fitted helmet that meets safety standards.
- Supervisión de adultos: Children should always be supervised by an adult while riding.
- Sistema de freos: The bike is equipped with both hand brakes and a coaster brake (pedal backward brake) for independent and reliable stopping power. Teach your child how to use both.
- Chain Guard: A full chain guard is installed to prevent clothing or body parts from getting caught in the chain.
- Handlebar Safety: The handlebar features a protective pad and safe handlebar ends to minimize injury risk.
- Ambiente de conducción: Ensure your child rides in safe areas, away from traffic, steep hills, or uneven terrain.
- Límite de peso: Adhere to the recommended weight limit for the bicycle.
Regularly check all bolts, nuts, and quick releases to ensure they are securely fastened.
3. Contido do paquete
Ao desembalar, comprobe que estean presentes todos os seguintes compoñentes:
- SJOEF Dolly 12-inch Kids Bike (95% pre-assembled frame with wheels)
- Handlebar with streamers and bell
- Sela e poste de asento
- Pedais (esquerda e dereita)
- Removable Training Wheels (2)
- Cesta dianteira
- Rear Doll Seat
- Basic Assembly Tools (wrenches, Allen keys)

Image 1: Complete SJOEF Dolly 12-inch Kids Bike with training wheels, basket, and doll seat.
4. Configuración e montaxe
The SJOEF Dolly bike comes 95% pre-assembled, making the final setup quick and straightforward. Basic tools are included. A beginner can typically complete assembly in 5 to 10 minutes.
- Instalación de manillares: Insert the handlebar stem into the fork tube. Ensure the handlebars are straight and aligned with the front wheel. Tighten the stem bolt securely using the provided tools.
- Fixar os pedais: Identify the Left (L) and Right (R) pedals. The left pedal tightens counter-clockwise, and the right pedal tightens clockwise. Screw them firmly into the crank arms.
- Adjust Saddle Height: Insert the seat post with the saddle into the frame's seat tube. Adjust the height so your child can comfortably touch the ground with their toes while seated. Secure the quick-release lever or bolt.
- Install Training Wheels: Attach the training wheels to the rear axle. Ensure they are securely fastened and provide stable support. Adjust their height so they lightly touch the ground when the bike is upright.

Image 2: Detail of the removable training wheels and the protective chain guard.
- Attach Front Basket: Secure the front basket to the handlebars using the provided brackets and screws.
- Install Rear Doll Seat: Mount the doll seat to the rear rack of the bicycle. Ensure it is stable and securely attached.

Imaxe 3: Lateral view of the bike highlighting the rear doll seat.
After assembly, double-check all connections and ensure everything is tight and secure before the first ride.
5. Instrucións de funcionamento
Familiarize your child with the bike's controls in a safe, open space.
- Starting to Ride: With training wheels, your child can push off and pedal immediately. Encourage them to look forward, not down at their feet.
- Freado: Teach your child to use both the hand brake (front wheel) and the coaster brake (rear wheel). The hand brake lever is located on the handlebar. Practice gentle braking first.

Image 4: Detail of the handlebar, showing the brake lever and decorative streamers.
- Dirección: Guide your child to steer gently by turning the handlebars.
- Removing Training Wheels: Once your child gains confidence and balance, the training wheels can be easily removed. This transition should be done gradually and with continued supervision.
- Axustes: Periodically check and adjust the saddle and handlebar height as your child grows to maintain a comfortable and safe riding position.
6. Mantemento
Regular maintenance ensures the bike remains safe and functional.
- Presión dos pneumáticos: Comprobe a presión dos pneumáticos antes de cada condución. Manteña os PSI (libras por polgada cadrada) recomendados que se indican no flanco do pneumático.
- Comprobación dos freos: Ensure both hand and coaster brakes are responsive and stop the bike effectively. Adjust brake cables if necessary.
- Lubricación da cadea: Lubricate the chain periodically, especially after riding in wet conditions, to ensure smooth pedaling and prevent rust.
- Apertura dos parafusos: Regularly inspect and tighten all bolts and nuts, particularly on the wheels, handlebars, seat post, and pedals.
- Limpeza: Clean the bike with mild soap and water. Avoid high-pressure washing, which can damage bearings. Dry thoroughly after cleaning.
- Almacenamento: Store the bike in a dry place, away from direct sunlight and extreme temperatures, to prevent rust and material degradation.
7 Solución de problemas
Aquí tes solucións para problemas comúns cos que podes atoparte:
| Problema | Causa posible | Solución |
|---|---|---|
| Os freos parecen frouxos ou ineficaces | Brake cable stretched or pads worn | Adjust brake cable tension at the lever or caliper. Replace worn brake pads. |
| Tires are flat or soft | Baixa presión de aire ou pinchazo | Inflate tires to recommended PSI. Check for punctures and repair or replace the inner tube. |
| Pedaling is stiff or noisy | Dry or dirty chain, loose crank arm | Clean and lubricate the chain. Tighten crank arm bolts. |
| Training wheels wobble | Parafusos de montaxe soltos | Ensure training wheel bolts are securely tightened to the rear axle. |
| Saddle or handlebars slip | Loose quick-release or bolt | Tighten the quick-release lever or bolt for the saddle/handlebar stem. |
If you encounter issues not listed here or require further assistance, please contact SJOEF customer support.
8. Especificacións
Detailed specifications for the SJOEF Dolly 12-inch Kids Bike:
| Característica | Detalle |
|---|---|
| Nome do modelo | Dolly |
| Número de modelo | BIS12M2-Pink |
| Marca | SJOEF |
| Cor | Rosa |
| Tamaño | 12 polgadas |
| Material do marco | Aceiro de aliaxe |
| Peso do elemento | 12070 gramos (12.07 kg) |
| Dimensións do produto (L x W x H) | 91 x 53 x 20 cm |
| Franxa de idade (descrición) | Nenos |
| Fonte de enerxía | Pedal |
| Características especiais | Basket, Removable Training Wheels |
| Tipo de suspensión | Rear Suspension, Fork Suspension |
| Pilas incluídas | Non |
9. Garantía e soporte
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. SJOEF stands behind the quality of its products.
If you have any questions, require technical support, or need replacement parts, please contact SJOEF customer service through the retailer where the product was purchased or visit the official SJOEF websitio para os detalles de contacto.