Marin Bikes
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Marin ALCATRAZ Bike 2023

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Item #: BI002681
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Marin Alcatraz Bike 2023

For The Dirt Jumps

Maybe you prefer being airborne more often than not and maybe you see every bump, rock, and curb as an opportunity instead of an obstacle. If you're this type of rider, then you might want a dirt jumper. The Marin Alcatraz Bike is made for those who would rather be at the local pump track or hitting up the skate park. The frame is made from Series 3 6061 aluminum. The frame uses 26" wheels and 100mm of travel on the front. The frame features short chainstays, 135x10mm horizontal dropouts, and ambidextrous internal cable routing. The Alcatraz comes with a single-speed drivetrain that keeps things simple so you can focus on the fun and not what gear you're in. Tektro HDM275 hydraulic disc brakes provide highly reliable stopping power so you can jump with confidence. With the Marin Custom Extrusion rims and Vee Tire XCV tires, you'll have a sturdy platform to land on while you're jumping.

Features

  • Series 3 6061 aluminum frame with horizontal dropouts, ambidextrous internal routing, and short chainstays
  • Single-speed drivetrain keeps things simple
  • Tektro hydraulic disc brakes provide highly-reliable stopping power
  • Manitou Circus Expert fork for 100mm of travel
  • Marin Custom Extrusion rims with a pinned joint and 27mm inner width
SPECIFICATIONS
Frame Series 3 6061 Aluminum
Fork Manitou Circus Expert 26" Coil Spring, 100mm Travel, 20x110mm Thru-Axle
Rear Shock -
Headset FSA No 57E, Semi-Sealed Cartridge Bearings, 1-1/8" x 1-1/2"
Shifters Single-Speed
Front Derailleur Speed That is Single
Rear Derailleur Single McSpeed
Crankset Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD
Bottom Bracket External Sealed Cartridge Bearings
Chain KMC HL-1
Cassette 14T Single Speed Cog
Brakes Tektro HDM275 Hydraulic, 160mm Rotors
Wheelset Marin Custom Extrusion Rims, Forged Alloy 135x10 / 110x20mm Hubs
Tires Vee Tire, XCV 26x2.25”, LSG Compound, Wire Bead
Handlebar Marin Riser, 6061 Double Butted Aluminum, 38mm Rise, 750mm Width, 4º Up, 9º Back
Stem Marin 3D Forged Alloy, 40mm
Grips/Bar Tape Marin Single Clamp Locking
Seatpost Marin Alloy, 30.9mm
Seatclamp Bolt-Type
Saddle Marin DJ Saddle
Intended Use Dirt Jumper, Pump Track

Note: Components are subject to change without notice.

Geo Chart Image

 

Size Short Long
A: Seat Tube Length 320 320
B: Effective Top Tube 600 646
C: Stack 575 580
D: Reach 385 430
E: BB Height 317 317
F: BB Drop 22 22
G: Head Tube Length 115 120
H: Head Tube Angle 69 ° 69 °
I: Seat Tube Angle 69 ° 69 °
J: Standover Height 370 400
K: Chainstay Length 395 395
L: Wheelbase 1037 1083
Suggested Rider Height
Frame Size Short Long
Rider Height 5'1" - 5'9" 5'6" - 6'3"
Size Short Long
A: Seat Tube Length 12.6 12.6
B: Effective Top Tube 23.6 25.4
C: Stack 22.6 22.8
D: Reach 15.2 16.9
E: BB Height 12.5 12.5
F: BB Drop 0.9 0.9
G: Head Tube Length 4.5 4.7
H: Head Tube Angle 69.0 ° 69.0 °
I: Seat Tube Angle 69.0 ° 69.0 °
J: Standover Height 14.6 15.7
K: Chainstay Length 15.6 15.6
L: Wheelbase 40.8 42.6
Suggested Rider Height
Frame Size Short Long
Rider Height 5'1" - 5'9" 5'6" - 6'3"

CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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