Alcatraz Frame

  • SALE
  • Regular price £475.00
VAT included.

OK, so this is the first thing we've added to the site that doesn't really fit in with our Enduro-only ethic! Pump tracks and skateparks are bang on for keeping your fitness and skills up during the shorter days. If you're lucky enough to live near a pump track, you've probably already realised how much fun they are, without committing to getting soaked and covered in mud.

This frame is made to be responsive, made from Series 3 6061 Aluminium with beefy double butted aluminium tubing and a tapered headtube. The Alcatraz has short chain stays with the DJ standard 135x10 horizontal drop-outs. Two sizes are available.

An awesome base for your jump bike build! 

UK customers - you can use the Government’s “Cycle to Work” scheme to buy this bike from 20Twenty, and you could save 25-39%. You can buy a bike, bike and accessories, or just accessories through the Cycle to Work scheme. We can even provide you with a custom-built bike through the scheme.

We use Cyclescheme to administer Cycle to Work bike sales. Your employer needs to be registered with Cyclescheme. If they are not, they can sign up here.

There is no £1000 limit any more, though your employer might have a limit. You can use the Cyclescheme calculator to work out what you might save here.

For more information, click here to contact us or call 01330 828562

Marin Size Guide
Sizes in MM Short Long
A Stack 575 580
Reach 385 430
C Head Tube Angle 69° 69°
D Head Tube Length 115 120
E Seat Tube Angle 69° 69°
F Seat Tube Length 320 320
G Toptube Effective 600 646
H BB Height 317 317
I BB Drop 22 22
J Chainstay 395 395
K Wheelbase 1037 1083
L Standover Height 370 400
M Fork Offset 42 42
Seatpost Diameter 30.9 30.9
Handlebar Width 750 750
Stem Length 40 40
Crank Length 170 170

FRAMESeries 3 6061 Aluminum Frame, 26” Wheels, 135x10mm Horizontal Dropouts, 73mm Threaded BB
HEADSETFSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
EXTRASMarin Seat Clamp, Chain Tension Device

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