STONE - Round Chainring for Single Chainring 104 BCD

The STONE chainring, manufactured in a CNC process with an anodized surface and Aleris 7075-T651 aluminum, is a wear-resistant single chainring for bicycles that is effective in any terrain and at any time.

Whatever the type of terrain, even the most rugged, your chain will stay in place. Its optimized wide/narrow tooth system keeps the chain in place with the least friction and the most efficiency.

Includes the screws to tighten the spider.

Specifications:

- Type: Round chainring / Single chainring
-BCD: 104
- Thickness: 4mm
- Teeth: 32T / 34T / 36T
- Colour: Black
- Weight: 39 grams (32T) / 51 grams (34T) / 57 grams (36T)
- Diameter: 138mm (32T) / 146mm (34T) / 154mm (36T)
- Hardness: 150HB
- Material: Aluminum 7075-T651 from Aleris USA
- Process: CNC, Anodized surface
- Suitable for: Shimano M590 / M610 / M615 / M670 / M675 / M770 / M785 / M780 / M970 / - M980 / M820 / M430 and SRAM Most 30s Crank X0 / X5 / X7 / X9, IXF
- Speeds: 9/10/11/12 speeds compatible with Shimano and Sram 12 speed system