E*thirteen Helix R Guidering(3mm Offset)3-Bolt 30t Bronze MFPN=44030050 Madshus uses a progressive milling

Madshus uses a progressive milling profile which is deepest at the front and rear of the skin zone and shallowest in the middle

37 BB/Frame Interface English BB Shell Width (mm) 68 Weight 98 Spindle Interface Type SRAM/Truvativ GXP Defined Color Gray

backed by a lifetime warranty on the frame

The LoneWolf Aero Blade Chainguide for Cervelo was designed specifically to mount directly on the front derailleur mount of the Cervelo S5 and P5 bikes

Rail Material Titanox Saddle Cut Out Yes Material Synthetic Clamp Style Standard Rails Gender/Age Men's Color Black Weight 270 Defined Color Black Size Medium/Large

E*thirteen Helix R Guidering(3mm Offset)3-Bolt 30t Bronze MFPN=44030050 Madshus uses a progressive millingE*thirteen QuickConnect Direct Mount rings include 1mm spacers, which allows them to be run on legacy cranks (TRS LG1 XCX), as well as Helix and Helix R cranks 3 bolt direct mount chainrings fit SRAM and other similar interface cranks Tooth profile is compatible with both Shimano and SRAM chains in both 11 and 12 speed Can be flipped to provide either a 52 or 55mm chainline Model Helix R Ring Type Single (Anti Chain Drop) Mount 3 Bolt DM 3mm Offset