yongness Mountain Bike Single Speed Sprocket, Positive and Negative Tooth Crown, 104BCD Crown, Crank Crown, Aluminum Alloy Chainring (Blue 36T)

• ✔️Product Specification: BCD: 104mm Shape: Round. Color: Black, Red, Blue Diameter: 32T/136mm, 34T/144mm, 36T/153mm, 38T/160mm Weight: 32T/45g, 34T/55g, 36T/60g, 38T/70g. Packing Information: Bicycle Chain Ring*1, Single Crown Bolt*4.
• Wide and narrow teeth design: the design of the narrow and wide teeth greatly increases the contact area between the chain plate and the chain, allowing each tooth to be fully inserted into the chain, ensuring the chain is fixed and increasing the grip. You need to worry about the chain falling off and easily tackling uneven roads. Effectively protects the chassis scratches and extends the life of wear.
• Weight reduction: suitable for modification of the single disc model MA/XC, the weight can be reduced by about 1kg. Suitable for 104mm BCD cranks; please make sure your crank BCD is 104mm and the number of teeth is specified before purchase, this bicycle crown is a great alternative for bicycle repairs.
• Light weight design: 104 BCD sprocket is precision made of CNC 7075-T6 aircraft grade aluminum alloy and anodized to keep the chain ring surface smooth, bright color, not fade and corrosion resistant. The lightweight and durable teeth design, wide and narrow can effectively prevent the chain from falling. Perfectly compatible with 7 speed, 8 speed, 9 speed, 10 speed and 11 speed.
• High quality service: high-quality service is not only our commitment, but also our constant pursuit. If you receive a damaged product during transportation, please email us and we will patiently solve your problem and provide you with satisfactory customer service at the .

Narrow and wide chain rings have narrow teeth and alternating wide teeth. Narrow and wide chain links are installed respectively the inner and outer links, which can better lock the chain. This makes the chain stronger on the chain ring and reduces the link of the chain. Possibility of falling. Simply put, narrow-width crowns eliminate the need for chain guides by keeping chain links in place. The disadvantage of narrow width crowns is that narrow width crowns can only be used in 1X and single speed bike transmissions. You can only use it with a single crown. This means it will not work on bicycles with multiple front crowns. The reason is that it is impossible to change gears on a bicycle With a narrow and a wide sprocket. Specification: Product Name: Single Disc Positive and Negative Tooth Chain Ring Material: 7075-T6 Aircraft Aluminum Alloy Model: 32T, 34T, 36T, 38T Weight: about 45g-55g-60g-70g, Color: Black, Red, Blue BCD: 104mm Shape: Round Suitable for XC-AM bicycle modified single crown Kit includes: Bicycle chain ring*1, Single crown bolt*4 Installation Note: This sprocket BCD is 104mm (2 spacing between opposite holes). Before purchasing, please make sure your crank BCD is 104mm, Otherwise, it will not fit.