E-Thirteen Helix R Guidering Direct Mount Chainring - E-Thirteen Direct Mount - 32T - 52-55mm Flip - Round - 12-Speed - Intergalactic Alloy YGroup_7033430048813 There is also an additional

There is also an additional dual lipped seal on both sides on the outside of the bearing (not pictured) for ultimate protection

Materials: Injection moulded nylon fibre composite body

to the other bikes on the rack

There are 2 different lever lengths:

E-Thirteen Helix R Guidering Direct Mount Chainring - E-Thirteen Direct Mount - 32T - 52-55mm Flip - Round - 12-Speed - Intergalactic Alloy YGroup_7033430048813 There is also an additionalAccording to E*Thirteen, the Helix R Direct Mount Chainring is a game changer. With proven Sram and Shimano 11 or 12 speed cross compatibility applied to an ultra lightweight, durable AL 7075 t6 Chainring and a highly CNCD technical finish. Combine with the chain, derailleur shifter of choice without a change in chain retention quality. Build a dream rig with more freedom and spec creatively. One of the strongest and most durable alloys available, AL