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Marin Bikes Rift Zone 29er XC7 (2013)

General

Product Category
Brand Marin Bikes
ModelRift Zone 29er XC7
Size17, 19, 20.5, 22
ColorBlack/White/Red

Specific

Bottom bracket Shimano HollowTech II Integrated
Brake leversShimano Hydraulic
Brake rotorShimano, 7" front, 6" rear
BrakesShimano M615 Hydraulic Disc
Cassette Shimano DEORE, 11-36, 10-Speed
ChainShimano HG54
Crankset Shimano SLX Compact Triple, 40/30/22T
Features29er Platform: Frame layouts designed to maximize the inherent benefits of 29-inch wheels, which emphasize speed, stability, and traction. 29ers came about as cross country racers were looking for a wheel size that would roll more easily across terrain features (bumps, roots, etc). The larger diameter wheel decreases the angle between the tire as it rolls forward, and bumps, roots, and rocks, as they present themselves in front of the tire. This means that the tire is slowed down less as it overcomes the obstacle, which translates into less resistance to the rider. 29" platforms take maximum advantage of this larger wheel size to provide efficient pedalling to maximize rider output and performance. Enduro Linkage Bearings: Marin is proud to use Enduro bearings in the pivots of our Quadlink 3.0 and IsoTrac suspension frames. We believe in their quality so much, we offer a lifetime guarantee on al Enduro bearings in our frames. Enduro is the leader in the bicycle industry for any type of bearing. Enduro bearing design and testing of bearings is unsurpassed in the industry, supplying three Pro Cycling teams racing in the Tour de France, World Champions in cycle cross, and mountain bike world cup. Enduro works closely with many frame, fork and component manufacturers in the bicycle industry to ensure they provide the best bearing or seal for every application. Successful collaboration with component fabricators has helped Enduro develop the many unique design features. Quad-Link Suspension: An award-winning multi-link suspension design that allows engineers to alter wheel path, shock-leverage ratio, and effective pivot location to manage pedal and terrain forces. The QUAD-Link 3.0 uses two short links to create a floating pivot center (Instantaneous Pivot Center - IPC) which changes the leverage ratio on the rear shock. The design also effectively separates pedal/brake forces from terrain inputs, resulting in excellent small bump compliance, firm pedaling platform and a natural resistance to botttom out. The QUAD-Link 3.0 system runs on Enduro bearings inserted into cold forged and CNC linkages. All Enduro bearings supplied with Marin full suspension frames carry a lifetime warranty. Tapered Head Tube: As bicycle forks evolved, the diameter of the "steerer tube" of a fork, and the "head tube" of the frame (which houses the steerer tube and headset) have steadily increased. Years ago, forks were fairly standard at a 1" steerer diameter. This increase to 1-1/8" (also known as OS) in the 90's, and even 1-1/4" and 1.5" sizes became some what common. In particular, 1.5" was used on Freeride or downhill frames due to the inherent increase in strength that comes from the larger diameter. But there were some problems, 1.5" forks required very large head tubes, and were heavy. As the sizes evolved, it was realized that using a tapered steerer tube would offer up the best of both worlds. Marin uses tapered forks that have a 1.5" lower diameter, but then taper to a 1-1/8" upper diameter. This reduces weight, but keeps very high strength where it's needed, at the base of the steerer tube, where it meets the fork crown. This type of tapered fork greatly increases stiffness and strength, while keeping weight to an absolute minimum. Unlike maky other companies, if a Marin bike has a tapered head tube, it also has a tapered fork, to take maximum advantage of the technology. 142mm Through-Axle: Rear-hub axle standard featuring a 12mm-thick through-axle that, while stronger and stiffer than a standard quick-release, still allows for easy removal of the rear wheel. The 142mm standard maintains the standard 135mm chainline, but adds a 3.5mm shoulder to each side of the rear hub. This shoulder shares the load of the rear wheel with the rear 12mm axle, rather than placing the full load of the rider on the axle alone.
Fork type Rock Shox Reba RL Taper, 100mm with Tapered Alloy Steer Tube, 15mm Maxle Light, Solo Air Preload, Rebound Damping Adjust, and Lockout
Frame type 6061 Alloy 29er Main Frame & Swing Arm, Quad-Link 3.0 100mm Suspension System
Front derailleur Shimano DEORE, 3x10-Speed
HeadsetFSA Orbit 1.5B ZS, 1 1/8” Top, 1.5” Bottom
Hub front Marin 2 Sealed Bearings, Centerlock, 15mm Through Axle, 32-Hole
Hub rear Marin 4 Sealed Bearing, Centerlock, 142 x 12mm Through Axle
Rear derailleur Shimano XT Shadow Plus
Recommended forXC Mountain
Rims type Alex SX44
Saddle Fizik Nisene
Shifters Shimano SLX, 2 Way Release, 10-Speed
Shock type Rock Shox Monarch RL with Lockout and Rebound Adjustment
Spokes 14 Gauge Black Stainless
Stem Marin Forged OS Alloy Threadless, 31.8mm Bar Clamp
Tires Schwalbe Rapid Rob, 29 x 2.25, Folding Bead
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