Gravel Tandem

Explore new roads. The fun begins when the pavement ends. Take it camping in the mountains. Race it in events like Almanzo, Barry-Roubaix, D2R2, Dirty Kanza, Mid South, Rasputitsa, and Rebecca’s Private Idaho.

Up to 700 X 52 or 27.5 X 2.8 Tires

Capable. Confident. Comfortable.

Bike Specs

Frame Material: 3AL-2.5V Titanium

Tire Clearance: 650b x 71mm (27.5 x 2.8″), 700c x 52mm (29 x 2.05″)

Thru Axles: 148mm x 12mm rear, 100mm x 15mm front

Head Tube: 44mm (fits EC44 or ZS44 headsets)

Bottom Bracket: eccentric front; 386EVO rear BB shell

Seatpost Diameters: 28.6mm front (fits standard 1 1/8″ stems); 31.6mm rear

Disc Mount: IS mount with 203mm Post-mount adapter

Geometry Chart

Head Tube125125145145145160180175
Captain Effective Top Tube555555570570570590570600
Captain Seat Tube500500500530530550540550
Boom Tube737813724737775737737724
Stoker Seat Tube420500320410500420410390
Head Angle72.2572737373737373
Captain Seat Angle72.572.572.572.572.57272.572
Stoker Seat Angle7474747474747474
Captain BB Drop6060606060606060
Stoker BB Drop6560556560656565
Fork Length420420420420420420420420
Fork Rake6060555555555555
Front Center606608608608608621607631

Gravel Build Kits

Gravel Rival 22Gravel eTap
ForkTitanium Chinook Gravel Tandem fork, 1 1/8 - 1 1/2" steerer, 15mm x 100mm Thru AxleTitanium Chinook Gravel Tandem fork, 1 1/8 - 1 1/2" steerer, 15mm x 100mm Thru Axle
HeadsetWolfTooth PremiumCane Creek 110
Front seatpostAluminum 28.6mm or 31.6mm x 350mm Zero SBThomson Elite 28.6mm x 330mm Zero SB
Rear seatpostCarbon suspension seatpost, 31.6 x 330mm x 20mm offsetCarbon suspension seatpost, 31.6 x 330mm x 20mm offset
Front handlebarRitchey Comp CurveZipp Service Course SL-70 Ergo
Rear drop handlebarRitchey Comp Curve with Cane Creek Stoker LeversZipp Service Course SL-70 Ergo with Cane Creek Stoker Levers
Rear bullhorn handlebarDeda Elementi Crononero or Profile StokerDeda Elementi Crononero or Profile Stoker
BrakesTRP Hy/Rd post-mountSRAM HydroHC post-mount
Rotors203mm floating rotors203mm floating rotors
ShiftersSRAM Rival 22SRAM Red eTap HRD
Front derailleurSRAM Rival 22SRAM Red eTap
Rear derailleurSRAM GX Type 2.1 Exact Actuation Long CageSRAM Red eTap Wifli with Chinook x Digirit extended cage
CassetteSunRace MX8 11-Speed 11-42T CassetteShimano XT CS-M8000 11-42 11-speed
Drive chainringsSRAM 50/34SRAM 50/34
Rear cranksSRAM Force BB30 with extended spindle for right side timing chainSRAM Force BB30 with extended spindle for right side timing chain
Front cranksSRAM Rival BB30SRAM Force BB30
Timing ringsSRAM 34tSRAM / Wolf Tooth 34t
Timing chain/beltSRAM PC-1170SRAM PC-1170
Drive chainSRAM PC-1170KMC X11e
HubsDT Swiss 350 HybridWhite Industries XMR
RimsSpank Oozy Trail 395+Spank Oozy Trail 395+

Accessories & Options

SRAM Red eTap wireless shifting upgrade

Anodized Logo colors

0, 1 or 2 sets of Couplers

Braze-On Mounts for bolt-on frame bags

Bar tape and accent colors

Stem length and bar width options

Tire and rim options