1. Alloy material, strong and wear-resistant2. Anodic coloring process, anti-corrosion, anti-rust and anti-oxidation3. A variety of specifications, you can choose according to your needs4. Material: alloy5. Process: CNC cutting6. Diameter: MTB 32T-134mm, MTB 34T-143mm, MTB 36T-151mm, MTB 38T-160mm, ROAD 40T-168mm, ROAD 42T-176mm, ROAD 44T-185mm, ROAD 46T-193mm, ROAD 50T-209mm, ROAD 52T-217mm7. Weight: MTB 32T-67g, MTB 34T-71g, MTB 36T-78g, MTB 38T-84g, ROAD 40T-95g, ROAD 42T-99g, ROAD 44T-108g, ROAD 46T-111g, ROAD 50T-124g, ROAD 52T-130g8. This product is manually measured, and there may be an error of 0.1-0.2 mm and 0.1-0.2 g in length and weight; there may be a slight color difference due to display and light problems. Please refer to the actual product!9. Note: Only the gear disc will be shipped, no other items!

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1. Hydraulic riveting technology2. Wear resistance3. Accurate and flexible shifting performance4. Special design of mid-drive engine5. Improve the smoothness of shifting6. Improve shifting performance7. Alloy material, strong and wear-resistant8. A variety of specifications, you can choose according to your needs9. Material: steel10. Compatible: suitable for BOSCH and other types of 8/9/1011/12 speed sports electric bicycle systems11. Model: 8/9/10/11/12 speed12. Link: 136 sections13. Tensile load: 1000KN14. Weight: about 330-380 grams

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1. Hook and loop fastener fixed, dustproof and anti-wear, waterproof for life2. Three-point fixing, reflective design, tear-resistant3. Polyester material, high density tear resistance4. The metal double-head zipper is equipped with a safety button to prevent the zipper from automatically disengaging5. The lotus leaf type water repellent, life waterproof fabric, protects the transfer chain system from touching water6. Suitable for road bikes, mountain bikes, folding bikes, etc.7. Personalized design of large reflective logo, providing eye-catching warning at night8. PVC environmental protection material wraps edge and anti-opening design9. Material: polyester+420DPVC10. Size: 68.5x30.5cm11. Weight: 149.5ginstallation steps:1. Start from the crankset and insert the crank upwards2. Include rear derailleur and chain part3. Pull the zipper to the head4. Then stick the 3 hook and loop fastener stickers on the back, and the installation is complete

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. All the arc transitions between the positive and negative teeth are connected to avoid sediment accumulation6. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation7. Material: aluminum alloy8. Weight: 8-speed highway 11-25T: 254g, 8-speed highway 11-28T: 272g, 8-speed mountain 11-32T: 327g, 8-speed mountain 11-36T: 395g, 8-speed mountain 11-40T: 464g, 8 Super Mountain 11-42T: 481g, 9-speed Road 11-25T: 276g, 9-speed Road 11-28T: 288g, 9-speed Road 11-32T: 349g, 9-speed Mountain 11-36T: 428g, 9-speed Mountain 11-40T : 578g, 10-speed highway 11-25T: 288g, 10-speed highway 11-28T: 305g, 10-speed highway 11-32T: 353g, 10-speed mountain 11-32T: 470g, 10-speed mountain 11-40T: 615g, 10-speed Mountain 11-42T: 629g, 10-speed Mountain 11-46T: 670g, 11-speed Mountain 11-40T: 609g, 11-speed Mountain 11-42T: 620g, 11-speed Mountain 11-46T: 768g, 11-speed Mountain 11-50T: 802g

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1. Material: aluminum alloy2. Scope of application: road bicycles, folding bicycles3. Number of teeth: 34-50T/53-39T4.BCD: 110MM5. Compatibility: 2 x 10/11 speed6. The overall use of aluminum alloy material, durable7. Shaft diameter: 24mm8. Crank length: 170mm9. Weight of crankset: about 736 grams (excluding the central axle)

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1. Material: aluminum alloy2. Application: support 8 speed, 9 speed, 10 speed, 11 speed3. Suitable for long-distance cruisers who can maintain a speed of 30+KM, and also suitable for explosive sprints of power players4. CNC technology, better disc precision, smooth hand feeling while brushing5. Large-area hollow design of the disc, lightweight design6. The chain has a high degree of coordination with the tooth mouth of the disc, which is sensitive and fast7. Waterproof and rustproof, good durability8. With pins, it is not easy to drop the chain9. CBD: 130 mm10. Weight: about 145 grams

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1. Material: Aluminum alloy2. Application: road bike3. Suitable for long-distance cruisers who can maintain a speed of 30+KM, and also suitable for explosive sprints of power players4. CNC technology, better disc precision, smooth hand feeling while brushing5. Large-area hollow design of the disc, lightweight design6. The chain has a high degree of coordination with the tooth mouth of the disc, which is sensitive and fast7. Waterproof and rustproof, good durability8. With 4 pins, it is not easy to drop the chain9. CBD: 130 mm10. Weight: 39T about 44 grams, 53T about 109 grams

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1. Material: alloy steel2. Application: mountain/road bike, etc.3. Features: the chain has a total length of 116 links, which can be cut according to the required length. It is recommended to choose a steel chain cutter, which is simple and quick, electroplated silver, rust-proof, and has a bright surface4. Number of knots: 116 knots5. Specifications: 6/7/8 speed 1/2x3/32 inch, 9/10/11 speed 1/2x11/128 inch6. Weight: 6/7/8 speed is about 333 grams, 9/10 speed is about 310 grams, 11 speed is about 275 grams

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1. Material: alloy steel2. Application: mountain/road bike, etc.3. Features: it can be quickly disassembled and installed, simple and convenient, electroplating and coloring, texture, not easy to rust, wear-resistant and durable4. Purpose: bicycle 6/7/8/9/10/11 speed chain5. Weight: about 2.5g/pair

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. All the arc transitions between the positive and negative teeth are connected to avoid sediment accumulation6. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation7. Material: aluminum alloy8. Weight: 8-speed 11-28T: 270g, 8-speed 11-32T: 320g, 9-speed 11-28T: 278g, 9-speed 11-32T: 347g, 10-speed 11-28T: 300g, 10-speed 11-32T: 359g, 11-speed 11-28T: 345g, 11-speed 11-32T: 376g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 8-speed 42T: 377g, 9-speed 42T: 415g, 10-speed 42T: 440g, 10-speed 50T: 538g, 11-speed 40T: 443g, 11-speed 50T: 578g, 12-speed 50T: 599g

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Description:1. Material: steel2. Applicable: suitable for 6/7/8/9/10 speed chain3. Color: bright silver plating4. Weight (Pair): 2.8g5. Size (packaging opp): 7x5x0.6cm6. Features: hydraulic punch, precise stamping, good workmanship, no burrs! Mature quenching and heat treatment process, reducing the quick release buckle deformation during vigorous burst, the force is direct! At the same time, the pull-out strength of the quick release buckle can be greatly improved up to 950kgF!7. Note: The magic buckle is a consumable item. Generally, one magic buckle can be used 5 times.

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