If you've got a MTB with a Cassette

Palm Style: A perforated single-layer Clarino that improves comfort and airflow

0mm pitch (fits other brands that use this size)

Full-length sleeve keeps everything in place

These sleeve-style guards are designed using a moisture-wicking micro-lycra material with a nylon mesh rear panel for increased airflow

Garbaruk Chainring - Direct Mount - Shimano - 3mm - Round - 36T - 9 -12 Speed - Alloy - Black PDP|PLP|Rail Material If you've got a MTBGarbaruk Chainring Features Special tooth shape guarantees a tighter contact with chain and softer pedaling (in comparison with regular chainrings). Chamfered edges and wide mud gap keeps the ring from getting muddy. Increased tooth height improves chain retention while the bike is shivering and jolting. Overall bicycle weight reduction in the range of 150 400 grams (with no front derailleur and chainguide). Manufactured using highly durable aluminum