Durable materials: the chain wheel set is made of high-quality carbon steel, which is hardened at high temperatures, chain wheel set to give them high precision and hardness, which makes it shatter-proof and ensures a long service life. Ideal bicycle accessories: crankset for mountain bike is 42/32/22t triple chainring design. Crankset narrow wide teeth for better chain retention. Chainring numbers: crankset for mountain bike is 42/32/22t triple chainring design. Crankset narrow wide teeth for better chain retention. Compatible: the chainwheel set is compatible with 7/8/9-speed chain, bicycle crank set matching bottom bracket specification for chain line 170 mm. Cassette compatibility: crankset perfectly matched to 9-speed, backwards compatible with 7-speed/8-speed. Mountain bike crankset is lighter than traditional MTB, track road bike, fixed gear bicycle, folding bike. › See more product details; Product description 7/8/9-speed crankset, bicycle crank set, 170 mm crank length, 42-32-22 teeth, aluminium alloy crank arm, for speed mountain bike, black. Crankset Descriptions: 1. Crankset due to the high-quality workmanship made of steel, the chain wheel set is very stable. 2. Crankset fit for: MTB, track road bike, fixed gear bicycle, folding bike. 3. Crankset for mountain bike is 22/32/42t triple chainring design. 4. Crankset a great accessory for bicycle enthusiasts and DIY enthusiasts. Crankset Specification: Number of teeth: 22/32/42T. Speed: 7/8/9 speed Length of the crank arm: 170 mm. Material: aluminium alloy. Package list: 1 x bicycle crank set.; Product description 7/8/9-speed crankset, bicycle crank set, 170 mm crank length, 42-32-22 teeth, aluminium alloy crank arm, for speed mountain bike, black. Crankset Descriptions: 1. Crankset due to the high-quality workmanship made of steel, the chain wheel set is very stable. 2. Crankset fit for: MTB, track road bike, fixed gear bicycle, folding bike. 3. Crankset for mountain bike is 22/32/42t triple chainring design. 4. Crankset a great accessory for bicycle enthusiasts and DIY enthusiasts. Crankset Specification: Number of teeth: 22/32/42T. Speed: 7/8/9 speed Length of the crank arm: 170 mm. Material: aluminium alloy. Package list: 1 x bicycle crank set.; 7/8/9-speed crankset, bicycle crank set, 170 mm crank length, 42-32-22 teeth, aluminium alloy crank arm, for speed mountain bike, black. Crankset Descriptions: 1. Crankset due to the high-quality workmanship made of steel, the chain wheel set is very stable. 2. Crankset fit for: MTB, track road bike, fixed gear bicycle, folding bike. 3. Crankset for mountain bike is 22/32/42t triple chainring design. 4. Crankset a great accessory for bicycle enthusiasts and DIY enthusiasts. Crankset Specification: Number of teeth: 22/32/42T. Speed: 7/8/9 speed Length of the crank arm: 170 mm. Material: aluminium alloy. Package list: 1 x bicycle crank set.
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