Specification:
Item Type: Positive and Negative Tooth Disc
Product Name: Round 30T Chainring
Material: Aluminum Alloy
Thickness: Approx. 4mm/0.2in
BCD: Approx. 104mm/4.1in
Weight: Approx. 60g/2.1oz
Package List:
1 x Chainring
- Make sure this fits by entering your model number.
- HIGH STRENGTH:High strength aluminum alloy material, hardness higher than steel, not easy to deform.
- INCREASE GRASP FORCE:Narrow teeth design, ensures ultimate chain retention, increases wear life, and reduces friction and noise,increase the grasp force, make you no longer worried about the chain dorpped, easy to pass through the bumpy road.
- SUIT FOR:Easy to install and fits perfectly the 104mm BCD bike.Nice replacement for the old or broken ones of your mountain bike.
- SINGLE CHAINRING:Through the modification single speed chainrings, reduced the transmission system greatly ,completely abandoned the complex variable speed system,looks more compact and simple, and also greatly improve your speed.
- BICYCLE MODIFICATION ACCESSORY:Positive and negative tooth design to prevent chain drop and install simply, thickness is only 4mm/0.2in.It is an excellent bicycle modification accessory with stable and reliable performance.
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