5L Lumbar Reservoir by Hydrapak is made for those who prefer an off-the-shoulder hydration solution

The Tectal Race MIPS ventilation design has been tested and perfected in a wind tunnel

Engagement: Groundbreaking 690 points of engagement

New piston wear band - better oil flow management

the Grind provides an excellent range of motion and won't bunch up while you're riding

E-Thirteen Helix R Guidering Direct Mount Chainring - E-Thirteen Direct Mount - 32T - 52-55mm Flip - Round - 12-Speed - Intergalactic Alloy algolia-ignore 5L Lumbar Reservoir by HydrapakAccording 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