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
| Size | S-M | S-XL | M-XS | M-M | M-L | L-M | LT-M | XL-S |
|---|---|---|---|---|---|---|---|---|
| Reach | 375.9 | 376.2 | 383.3 | 383.3 | 383.3 | 392.9 | 372.7 | 398.2 |
| Stack | 568.1 | 567.1 | 592.2 | 592.2 | 592.2 | 606.6 | 625.7 | 620.9 |
| Head Tube | 125 | 125 | 145 | 145 | 145 | 160 | 180 | 175 |
| Captain Effective Top Tube | 555 | 555 | 570 | 570 | 570 | 590 | 570 | 600 |
| Captain Seat Tube | 500 | 500 | 500 | 530 | 530 | 550 | 540 | 550 |
| Boom Tube | 737 | 813 | 724 | 737 | 775 | 737 | 737 | 724 |
| Stoker Seat Tube | 420 | 500 | 320 | 410 | 500 | 420 | 410 | 390 |
| Head Angle | 72.25 | 72 | 73 | 73 | 73 | 73 | 73 | 73 |
| Captain Seat Angle | 72.5 | 72.5 | 72.5 | 72.5 | 72.5 | 72 | 72.5 | 72 |
| Stoker Seat Angle | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 |
| Captain BB Drop | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
| Stoker BB Drop | 65 | 60 | 55 | 65 | 60 | 65 | 65 | 65 |
| Fork Length | 420 | 420 | 420 | 420 | 420 | 420 | 420 | 420 |
| Fork Rake | 60 | 60 | 55 | 55 | 55 | 55 | 55 | 55 |
| Front Center | 606 | 608 | 608 | 608 | 608 | 621 | 607 | 631 |
| Chainstay | 465 | 465 | 465 | 465 | 465 | 465 | 465 | 465 |
| Wheelbase | 1800.9 | 1879.5 | 1789.7 | 1802.7 | 1840.7 | 1816.7 | 1802.4 | 1813.4 |
Gravel Build Kits
| Gravel Rival 22 | Gravel eTap | |
|---|---|---|
| Fork | Titanium Chinook Gravel Tandem fork, 1 1/8 - 1 1/2" steerer, 15mm x 100mm Thru Axle | Titanium Chinook Gravel Tandem fork, 1 1/8 - 1 1/2" steerer, 15mm x 100mm Thru Axle |
| Headset | WolfTooth Premium | Cane Creek 110 |
| Front seatpost | Aluminum 28.6mm or 31.6mm x 350mm Zero SB | Thomson Elite 28.6mm x 330mm Zero SB |
| Rear seatpost | Carbon suspension seatpost, 31.6 x 330mm x 20mm offset | Carbon suspension seatpost, 31.6 x 330mm x 20mm offset |
| Front handlebar | Ritchey Comp Curve | Zipp Service Course SL-70 Ergo |
| Rear drop handlebar | Ritchey Comp Curve with Cane Creek Stoker Levers | Zipp Service Course SL-70 Ergo with Cane Creek Stoker Levers |
| Rear bullhorn handlebar | Deda Elementi Crononero or Profile Stoker | Deda Elementi Crononero or Profile Stoker |
| Brakes | TRP Hy/Rd post-mount | SRAM HydroHC post-mount |
| Rotors | 203mm floating rotors | 203mm floating rotors |
| Shifters | SRAM Rival 22 | SRAM Red eTap HRD |
| Front derailleur | SRAM Rival 22 | SRAM Red eTap |
| Rear derailleur | SRAM GX Type 2.1 Exact Actuation Long Cage | SRAM Red eTap Wifli with Chinook x Digirit extended cage |
| Cassette | SunRace MX8 11-Speed 11-42T Cassette | Shimano XT CS-M8000 11-42 11-speed |
| Drive chainrings | SRAM 50/34 | SRAM 50/34 |
| Rear cranks | SRAM Force BB30 with extended spindle for right side timing chain | SRAM Force BB30 with extended spindle for right side timing chain |
| Front cranks | SRAM Rival BB30 | SRAM Force BB30 |
| Timing rings | SRAM 34t | SRAM / Wolf Tooth 34t |
| Timing chain/belt | SRAM PC-1170 | SRAM PC-1170 |
| Drive chain | SRAM PC-1170 | KMC X11e |
| Hubs | DT Swiss 350 Hybrid | White Industries XMR |
| Rims | Spank Oozy Trail 395+ | Spank Oozy Trail 395+ |
Accessories & Options
Gallery
