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Summary of Contents for Formula Belva
- Page 1 Belva User Manual – This user manual contains all the relevant information regarding the correct use and maintenance of the Belva fork.
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Page 2: Table Of Contents
Index Important Informations ............................3 Safety Guidelines ..............................4 Maintenance Intervals ............................4 Required Tools ............................... 4 Belva Fork Specifications............................. 5 Fork Installation..............................6 Extension Adjuster (Rebound) ..........................8 Compression Adjuster (CTS) ............................ 9 Pressure check ..............................10 Change fork stroke ..............................11 Wheel Axle Cleaning ............................. -
Page 3: Important Informations
Formula reduces the life span of our products. IMPORTANT Formula recommends only ORIGINAL spare parts and lubricant products. Do not attempt assembly and disassembly operations on this product. Formula recommends consulting servicing technicians for these activities and finding eventual... -
Page 4: Safety Guidelines
Formula spare parts. • Formula products and tools could be incompatible with third-party products or tools and vice-versa. Before using third-party items, ensure compatibility with a qualified technician or a tool manufacturer. The company declines any responsibility for malfunctions caused by improper tool use;... -
Page 5: Belva Fork Specifications
Belva Fork Specifications Ref. Descrizione Description Componenti strutturali Structural components Cannotto di sterzo Steerer tube Piastra superiore Upper crown Viti piastra superiore Upper crown screws Piastra inferiore Lower crown Viti piastra inferiore Lower crown screws Stelo Stanchion tube Fodero Lower leg... -
Page 6: Fork Installation
Fork Installation Every time the Axle to Crown value is changed it’s important to ensure that: A. The space between the crown and the wheel is higher than the fork stroke + 6 mm; B. The text “end stroke” on the stanchion tube distance from the lower crown is 43,5 mm ± 5 mm; Reference sheet for Axle to Crown Stroke Axle to Crown ±... - Page 7 1. Hose Clamp Installation a. The hose needs to be blocked on the fork with the hose clamp (8). Remove the screw (9) with a 2,5 mm hex key. Insert the hose in the clamp. Tighten the screw at 2/3 Nm. -End of Procedure-...
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Page 8: Extension Adjuster (Rebound)
Extension Adjuster (Rebound) 1. The extension adjuster (13) allows to adjust the rebound speed of the fork after a compression. a. Correctly setting the rebound speed ensures the bike is stable and able to correctly follow the obstacles on the ground. b. -
Page 9: Compression Adjuster (Cts)
Compression Adjuster (CTS) 1. The blue adjuster (7) allows for an accurate adjustment of the hydraulic compression. 2. The gold lever (8) allows to open and close the lock-out. a. Don’t use the lever (8) in the closed position while descending since the hydraulic suspension won’t react appropriately when hitting obstacles making it easier to lose control of the fork which could cause severe or lethal injuries;... -
Page 10: Pressure Check
Formula Pump Procedure: 1. It’s recommended to use a Formula Pump (14); 2. Unscrew the air valve cap (10); 3. Attach the pump to the air valve (10A) to allow the manometer to read the pressure; When attaching the pump the manometer (16) reads 2-8 PSI (0,114-0,55 BAR) less than expected due to the air that enters the pump tube. -
Page 11: Change Fork Stroke
Change fork stroke Required Tools: Bench Vise, Formula Grease, Hex key 4 mm. Procedure: 1. Pull out the rebound adjuster (13). Remove with a 4 mm hex key the air side (V1) and the cartridge screws (V2); 2. Remove the exhausted oil from the fork so that it comes out from the lower leg holes and dispose of it according to local laws;... - Page 12 Lower the pressure in the positive air chamber to zero. Not following this step could cause severe or fatal injuries during the next steps; 5. Push the stem of the (7) of the air cartridge inside the stanchion tube and remove the seeger ring (8) with a screwdriver (9).
- Page 13 (13) depending on your needs and couple together the components; 7. Lubricate the seal (14) with Formula grease. Insert the air cartridge (7) inside the stanchion tube, until the stem is at the same height as the stanchion tube. Insert the cap (10) and block it with the seeger ring (8) with a screwdriver, ensuring the seeger ring is properly sitting in its housing;...
- Page 14 9. Close the lock-out. Apply Formula grease on the internal diameters of the dust seals (10). Ensure the flat face of the cartridge and the air cartridge are facing upwards. Ensure they stay in the same position to ensure a correct assembly of the lower screws.
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Page 15: Wheel Axle Cleaning
Wheel Axle Cleaning Procedure: • The wheel axle (6) needs to be disassembled after every use and when washing the bicycle it needs to be properly dried and lubricated if necessary; o If the axle is not dried up properly the aluminium of the axle and the magnesium of the lower leg could oxidate;... -
Page 16: Troubleshooting
Troubleshooting Problem Root Cause Solution The fork can’t perform through the The oil level is too high Check the oil level. Reduce air pressure entire stroke The fork extends too quickly, rebound is Insufficient rebound damping Increase the rebound damping excessive after bumps Lowsiding during turns Rebound damping too high... - Page 17 FORMULA SRL Via Erbosa, 63 - 59100 Prato (Italia) Tel. +39 0574 603 609 Fax +39 0574 611 046 Reg. Imprese Prato / C.F. / P.IVA 02081070977 PEC: formula-italy@legalmail.it Cap. Soc. 500.000,00 € i.v. The content of this document can be altered without notice. All rights reserved.
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