Jamis 2016 Dakota D29 Comp Mountain Bicycle
Adventure Cycle 2464 Dufferin Street
The Dakota series is the hardtail standard for high-speed racing or long, epic days on the trail. For the Team, Pro and Race, we’ve taken our years of experience manufacturing carbon fiber Dakar XCR dual suspension frames and Xenith road racing frames and applied it to the big-wheeled world of 29’ers. For the Comp and Sport, it’s the same race-inspired geo welded up from triple-butted 6061.
Its all in the numbers: a 70.5 degree headtube angle for fast responsive steering and stability at speed with no “flip/flop” feel. A 73 degree seat tube angle to put the rider more directly over the pedals for an optimal pedaling position. With a cool, aggressively sloped top tube for the lowest possible standover on those large diameter wheels and a stiffer, more responsive frame, the all new Dakota frame will turn heads as fast as it turns laps.
TAPERED HEAD TUBE AND FORK STEERER
Riding fast with control requires steering precision, which starts with the front of the bike. Stiffening this area results in less wheel deflection, more wheel control. A tapered 1 1/8” to 1.5” head tube and steerer serves up a significant increase in rough terrain tracking and stability without much of a weight penalty compared
to standard 1 1/8” systems since the steer tube wall thickness can be reduced. Adding a 15mm QR thru-axle hub/fork interface takes steering precision over the top.
WHY PRESSFIT 30?
The larger 46mm bore diameter of the Press Fit 30 BB system increases the frame’s bottom bracket shell providing a larger surface that increases frame strength. The key difference with Press Fit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups that are pressed into the frame’s bottom bracket shell. Like BB30, Press Fit 30 uses the same oversized bearing that is designed for 30mm spindle cranksets. Advantages of Press Fit 30: Improved bearing-to-shell interface, greater bearing durability and simple installation.
Frame Triple-butted 6061 aluminum main tubes, 1.5 – 1 1/8″ tapered head tube, replaceable derailleur hanger
Fork Rock Shox Recon Silver TK, Solo Air spring, external rebound, TurnKey lockout adjust, 32mm stanchions, tapered aluminum steerer, 100mm travel
Headset FSA Orbit 1.5 Zero-Stack internal cup, for tapered head tube, 15mm cone spacer
Wheels WTB Speed Disc i19 29″ rims, Formula alloy centerlock disc hubs, stainless spokes
Tires Vittoria Peyote, 29 x 2.1”
Derailleurs Shimano Deore Shadow rear and Deore front
Shift levers Shimano Deore, 2×10-speed
Chain Shimano HG54, 10-speed
Cassette Shimano HG50, 10-speed, 11-36T
Crankset Shimano Deore M617, 38/24T, 170mm (15”), 175mm (17-21”)
BB Set Shimano External
Pedals ATB alloy platform
Brakeset Shimano Deore M506 hydraulic disc, 180mm front & 160mm rear RT54 centerlock rotors
Handlebar Ritchey Comp 2X, 31.8 x 9º sweep x +/- 5mm rise x 720mm
Stem Ritchey 4-Axis, 6º x 70mm (15″), 80mm (17″), 90mm (19″), 100mm (21″)
Grips Dual compound
Seat Post Ritchey 2-bolt, 31.6 x 400mm
Saddle WTB Volt Sport
Sizes 15”, 17”, 19”, 21”
Color Gloss Black
Weight 29.50 lbs