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Marin Bikes California

Marin Bikes // 265 Bel Marin Keys, Novato, CA 94949 Latitude: 38.070804 Longitude: -122.536518

Muirwoods 29er

This model is from a previous generation and may not be available.
Muirwoods 29er Matte Black w/Reflective Graphics

Photos:

Bike Description

The Muirwoods 29er is the big-wheeled brother of the Urban family. Offering the toughness of a mountain bike-based cromoly frame and fork with an updated geometry and component selection, this bike is designed for riders wanting some fun on their commute. From jumping curbs and train tracks to adventuring the dirt roads on the outskirts of town, the Muirwoods 29er can take it. A 24-speed Shimano Altus and Alivio drivetrain provides the perfect gear regardless of terrain while Tektro hydraulic disc brakes provide dependable braking performance regardless of weather conditions.

Bike Reviews

Bike Features

29er Platform

29er 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.

3M Reflective Decals

3M Reflective Decals

Urban bike frame treatment that utilizes a special reflective decal application. These decals are scratch resistant and maintain the base color of the frame under natural light to offer a stealthy appearance. Once illuminated by the lights of a car, street lamp or other bikes, a reflective prism element in the decals bounce the light back, resulting in a bright outline of the decal panels on the frame for maximum visibility in dark conditions.

Security Skewer System

Security Skewer System

Integrated wheel and seatpost skewers included on Marin Urban and Speed Commuter models with specially designed heads that require a dedicated tool for operation, deterring possible theft of parts. Special removable hex wrenches are included with each bike for fastening. CNC’d aluminum sleeves encase the bolt heads to prevent loosening with pliers or vise grips.

Bike Specs

All spec subject to change.

Bike Frame Specs
Frame: Double Butted Cromoly 29er with Edge II Tubing with Internal Headtube, Double Butted E4 Anti-Flex Seat and Chain Stays
Suspension/Fork Specs
Front Fork: Straight Blade Steel Rigid 29er Disc, 1 1/8”
Rear Suspension: 0
Drive Train Specs
Crankset: TruVativ E350-A1 48/38/28T
Derailleur Rear: Shimano Alivio
Shift Lever: Shimano Acera Rapid Fire Plus, 8-Speed
Derailleur Front: Shimano Altus
Cassette: Shimano HG31, 11-32, 8-Speed
Bottom Bracket: Sealed Cartridge
Chain: KMC HG40
Wheels Specs
Hub Rear: Formula, 32 Hole with Locking QR
Hub Front: Formula, 32 Hole
Rim: Alex TD-20, Double Wall
Spokes Nipples: 14 Gauge Black Stainless
Tires: Schwalbe Citizen 29x1.6 with Kevlar Guard Puncture Protection
Brake Specs
Brakes Front: Tektro HD-M300 Hydraulic Disc, 7” Rotor
Brakes Rear: Tektro HD-M300 Hydraulic Disc, 6” Rotor
Brake Levers: Tektro HD-M300 Hydraulic
Cockpit
Handlebar: Double Butted 6061 Alloy, OS-31.8mm, 25.4mm Rise
Grips: Marin Mountain
Stem: Marin Alloy, Threadless
Headset: FSA, 1 1/8
Seatpost: Marin Alloy Micro Adjust, 400mm
Saddle: Marin Speed
Accessories
Pedals: Alloy Platform
Chain Cover:
Rack:

Bike Geometry

Sizes 15 17 19 20.5 22
Head Tube Angle 71.0 72.0 72.5 72.5 72.5
Head Tube Length (mm) 123/4.8 123/4.8 133/5.2 143/5.6 163/6.4
Seat Tube Angle 74.0 74.0 73.5 73.5 73.5
Seat Tube Actual 381.0/15 431.8/17 482.6/19 520.7/20.5 558.8/22
Top Tube Actual (mm) 558.4/22 568.5/22.4 581.3/22.9 593.9/23.4 610.4/24
Top Tube Effective (mm) 575/22.6 590/23.2 605/23.8 615/24.2 630/24.8
BB Height 312/12.3 312/12.3 312/12.3 312/12.3 312/12.3
BB Drop 70/2.8 70/2.8 70/2.8 70/2.8 70/2.8
Fork Offset 45/1.8 45/1.8 45/1.8 45/1.8 45/1.8
Stand Over Height 743/29.3 778/30.6 810/31.9 835/32.9 863/34
Wheel Base 1071/42.2 1076/42.4 1081/42.6 1091/43 1106/43.5
Chain Stay (mm) 445/17.5 445/17.5 445/17.5 445/17.5 445/17.5
Seat Post (mm) 27.2 27.2 27.2 27.2 27.2

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