Bộ dụng cụ bảo dưỡng xe đạp, Dụng cụ + 20 răng + 35 gram, Dụng cụ + 20 răng + 35 gram + Bộ chặn, Dụng cụ + Bộ chặn + 35 gram + Ống trục giữa, Bộ chặn + 20 răng + 35 gram, Dụng cụ + 20 răng + 35 gram + Cờ lê

Three-in-one combination tool:
1. Environmentally friendly plastic, good slip resistance
2. One-piece milling pin forming, high strength
3. Function: install/remove the hollow crankshaft; install/remove the dead flywheel locking ring; fix the flywheel for easy removal of the flywheel
4. Material: carbon steel + surface chrome plating
5. Size: length 20cm
6. Weight: about 200g

Pull code tool:
1. The ejector rod has an extended and removable square mouth
2. Precise thread, thick head, CNC thread, high coaxiality, precision without deflection, not easy to screw the crank thread, easier to push in and remove the crank
3. The diameter of the head is increased to 9.5mm, which is not easy to be bald and does not hurt the central axis
4. Anti-slip embossing, easy to screw by hand, easy to adjust
5. The occlusal mouth is lengthened, the force area is large, and it is not easy to twist and slip
6. Anti-rust and non-slip surface, no matter how hard it is, it will not slip off, so you can rest assured
7. Material: high strength steel
8. Size: length 8cm, diameter 1.9cm
9. Weight: about 120g

Silver chain clipper:
1 Applicable to all kinds of chains, the chain will be better restored to the original precision and smooth rotation after installation
2. Effectively avoid ejection, the ejector needles make concentric and concentric movements
3. Make the thimble accurately align the chain shaft to ensure chain cutting efficiency
4. Using the new quenching and heat treatment technology, the hardness is effectively improved and the service life is prolonged
5. Using automatic thread rolling machine, high precision push thread, accurate push
6. Material: high strength steel
7. Size: 8.2x7x1.1cm
8. Weight: about 120g

Spoke wrench
1.8-mouth precision crafted, steel-printed numbers, suitable for common spoke nipples on the market
2. Use the corresponding bayonet to clamp the spoke cap and turn it to adjust
3. High-strength forging, heat-treated and hardened, suitable for 10-15G spoke nipples
4. The operation does not hurt the hand, no burr, and no damage to the spoke nipple
5. The corners are rounded, the surface is smooth, the operation is simple, and it can be done with one hand
6. Material: high strength steel
7. Size: 3.8x3.8x1.7cm
8. Weight: about 46g

Universal tool for flywheel:
1. With the use of a chain wrench, the flywheel can be easily removed
2. It is used to disassemble and assemble the flywheel, suitable for both flywheel and spin fly, thin-walled
3. Material: carbon steel
4. Size: height 2.6cm, diameter 2.5cm
5. Weight: about 33g

Bottom axle removal sleeve:
1. High-precision 20-tooth straight square teeth, precise insertion into the keyway, uniform force, continuous teeth, no damage to the keyway
2. Anti-dropping design, easy to solve the problem that the cylinder cant be fixed and easy to fall off without exerting force
3. 20 sturdy teeth, which can fit and exert force at the same time
4. Satisfy the daily vehicle disassembly, maintenance and durability of riders
5. Material: high strength steel
6. Size: 3.2x3.25cm
7. Weight: about 108g

Tire lever:
1. Material: high strength steel + plastic handle
2. Size: length 15cm
3. Weight: about 120g

Freewheel chain wrench:
1. High-strength steel forged, heat-treated and hardened, comfortable grip, hardened chain
2. Material: high strength
3. Size: length 30cm
7. Weight: about 260g

Chain clipper:
1. Material: high strength steel + plastic handle
2. Dimensions: 10.5 x 7 x 2cm
3. Weight: about 200g