5DEV R-SPEC TRAIL/ENDURO Cranks Introducing the 5DEV R-SPEC line. Designed to exceed the standard. Podiums: 2025 Red Bull Hardline 2nd / 2024 Jr World Championship 1st / 2024 US DH National Championships 1st / 2024 US DS National Championship 2nd / 2024 UCI World Cup Bielsko - Biała, Poland JR DHI 1st / 2024 UCI World Cup Ft William JR DHI 1st / 2023 US Enduro National Championships 1st / 2023 US Open DH 2nd / 2023 Crankworx DH Rotorua 2nd Q factor: 167mm Boost | 176 SuperBoost+ Chainline: Our Standard Boost Spindle works with 52 and 55mm Chainlines. New DUB Wide Spindle Available. Bottom Bracket Width: 68 - 73mm for Boost | SuperBoost Available in Select Sizes Spindle diameters: 30mm and 29mm (need help determining what spindle size? CLICK HERE) All of our cranks are compatible with any of our spindles. You can swap spindles out at no cost by emailing [email protected] after you place your order. If you have questions on what spindle you need please email us at [email protected] Lengths: 135mm, 145mm, 155mm, 160mm, 165mm, 170mm Material: 7050 Billet Aluminum Crank bolts: Chromoly Steel Hardware: Self-extracting Hardware Preloader: CNC'd 7075 Alloy Chainring: Compatible with SRAM 3-Bolt Direct Mount Chainring Interface Weight: 610g (165mm length 29mm spindle) Warranty: 5 Year Warranty Includes Chainring Mounting Hardware Made in San Diego, California Patent Pending