Shimano SLX SM-CRM75 Shimano Direct Mount Chainring - Shimano Direct Mount - Round - Black - Grey - 30T YGroup_7033686884397 and out-front bracket 2 are

and out-front bracket 2 are available separately

Spoke Wrench for Mavic Wheel Systems

26 Inch 150mm / 27

If you are currently running the same cassette range now you shouldn't require a longer B-Tension bolt

Not only that but it is now available in more travel lengths with 175mm and 200mm options and features a shorter overall post length to fit more bikes

Shimano SLX SM-CRM75 Shimano Direct Mount Chainring - Shimano Direct Mount - Round - Black - Grey - 30T YGroup_7033686884397 and out-front bracket 2 areThe SLX SM CRM75 chain ring uses the same direct mount system as XTR and also features Dynamic Chain Engagement. With a narrow wide tooth profile, it provides excellent chain retention and less chain vibration even on bumpy trails. Who's this item for: Designed for all riders using Shimano 12 speed direct mount cranks and Shimano 12 speed chains. Number of teeth: It is available in 30T 34T options. Mounting style: Mounts using Shimano's Direct mount