30T rings have integrated shims and M5 chainring bolt threads to allow the smallest ring size possible on a 104 BCD crank

If you are looking for a top quality seat post clamp then the BOX Two Bolt Up Seat Clamps are just that

along with a durable water-resistant finish to help shed water and debris

Using the 3 bolt mounting standard

and the future—at least in the stiff

100 Percent Cognito Smart Shock Glove - L - Fluro Yellow Heavy/Bulky 30T rings have integrated shimsThe embossed Neoprene cuff offers maximum durability and comfort 4 way stretch top hand to increase abrasion resistance Smart Shock knuckle for impact protection Adjustable TPR wrist closure with hook and loop backing ensures proper fit Mesh finger gussets enhance mobility and wick away moisture Thumb overlay aids in reducing blisters Perforated single layer Clarino palm for superior airflow and comfort Silicone printed palm and finger graphics