Trickstuff 840 is compatible with the brakes:

Rubberised impact zones for surface protection

Weight: 38mm Rise = 312g

Enduro cartridge bearings

10mm Pedal Socket

Burgtec SRAM Boost 3mm Offset Thick Thin Chainring Size:28T Trickstuff 840 is compatible withBurgtec SRAM Boost 3mm Offset Thick Thin Chainring. Awesome chain line plus awesome chain retention enough said. Eagle compatible. Designed and tested in MTB heaven, the Peak District. Keeps your chain on! Available in the colors: Burgtec Black, Race Red, Deep Blue, Purple Rain, Kash Bronze, Iron Bro Orange, Rhodium Silver, Burgtec Bullion Gold, Toxic Barbie Pink. Available in sizes: 28T, 30T, 32T, 34T. Weight for 32T: 72g