Gravel Tandem

Explore new roads. The fun begins when the pavement ends. Take it camping in the mountains. Race it in events. Discover the quieter routes near home or afar.

Up to 700 X 60 or 27.5 X 3.0 Tires
Capable. Confident. Comfortable.

Bike Specs

Frame and Fork Material: 3AL-2.5V Titanium

Tire Clearance: 650b x 76mm (27.5 x 3.0″), 700c x 60mm (29 x 2.35″)

Thru Axles: 148mm x 12mm rear, 110mm x 15mm front

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

Bottom Bracket: front eccentric front; rear 386EVO BB shell

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

Disc Mount: front 203mm post-mount; rear IS mount with 203mm Post-mount adapter

Framesets: from $8600 including fork, headset, seatposts, stoker stem, bottom brackets, and cranks

Complete bikes: from $14000 with durable, capable components

Gravel Tandem standard size geometry chart (Custom sizing available)

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 Length425425425425425425425425
Fork Rake6060555555555555
Front Center606608608608608621607631

Gravel Tandem Build Kits (customization available)

Gravel Force 22Gravel eTap AXS
ForkTitanium Chinook Gravel Tandem fork, 1 1/8 - 1 1/2" steerer, 15mm x 110mm Thru AxleTitanium Chinook Gravel Tandem fork, 1 1/8 - 1 1/2" steerer, 15mm x 110mm Thru Axle
HeadsetWolfTooth PremiumWolfTooth Premium
Front seatpostAluminum 28.6mm or 31.6mm x 350mm Zero SBAluminum 28.6mm or 31.6mm x 350mm Zero SB
Rear seatpostCarbon suspension seatpost, 31.6 x 330mm x 20mm offsetCarbon suspension seatpost, 31.6 x 330mm x 20mm offset
Front handlebarZipp Service Course SL-70 ErgoZipp Service Course SL-70 Ergo
Rear drop handlebarZipp Service Course SL-70 Ergo with Chinook Stoker LeversZipp Service Course SL-70 Ergo with Chinook 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 Force 22SRAM Red eTap AXS HRD
Front derailleurSRAM Force 22SRAM Force AXS
Rear derailleurSRAM GX Type 2.1 Exact Actuation Long CageSRAM Force AXS with Chinook extended cage
CassetteSunRace MX8 11-Speed 11-42T CassetteSRAM XLPR XG-1271 10-44 12-speed
Drive chainringsSRAM 50/34SRAM Flattop 48/35,46/33, or 43/30
Rear cranksSRAM Force BB30 with extended spindle for right side timing chainSRAM Force AXS with extended spindle for right side timing chain
Front cranksSRAM Force BB30SRAM Force AXS
Timing ringsSRAM 34tSRAM 33t
Timing chain/beltSRAM PC-1170SRAM Force AXS Flattop
Drive chainSRAM PC-1170SRAM Force AXS Flattop
HubsWhite Industries XMR+White Industries XMR+
RimsSpank Oozy Trail 395+Spank Oozy Trail 395+

Accessories & Options

Mechanical or wireless shifting

Cable or hydraulic brakes

Finish and anodized logo colors

0, 1 or 2 sets of Couplers

Braze-On Mounts for bolt-on frame bags, stem bags, and cages

Accent colors

Wide range of crank, bar, and stem size options

Tire and rim options