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Extention Alter 24" Frame Kit

Product code: 14117

$829.40

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Extention Alter 24" Frame Kit

Maroon Red
Pearlescent Blue

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New to Tarty Bikes, the Extention Alter 24" Frame Kit, now available in Pearlescent Blue colour!

  • High quality 24" street frame from Extention!
  • Compatible with 2.5" tyres and features 142 x 12mm rear axle spacing.
  • Supplied with headset, tensioner, axles and seat clamp.
  • Threaded fork steerer tube for internal front brake routing!
Extention Alter 24" Frame Kit

- The new 24" street trials frame kit from Extention!
- A completely brand-new design for 2022 developed for the most demanding street riders.
- Featuring a tapered head tube, 142 x 12mm rear axle and 15 x 100mm front axle and clearance for 2.5" tyres.
- CNC machined one piece BB yoke, dropouts and brake mounts for increased strength in these key areas.
- High quality 6061 hydro-formed, T6 heat treated aluminium tube set.
- Square rear drop out tubing for maximum stiffness and weld area whilst allowing better ankle clearance.
- 180mm position Post Mount disc mount on the fork and frame allows the use of 180mm rotors without adaptors.
- Internal headset, with a 1.5" lower cup allowing the use of a tapered steerer tube fork.
- Euro style (threaded) 73mm bottom bracket features a 1.37" x 24tpi thread suitable for use with any 73mm shell compatible threaded bottom bracket we stock. Please note: the BB shell is not faced. You can fit a BB without facing this part of the frame but we recommend purchasing a facing service here. Brake mounts are already faced.
- 27.2mm seatpost diameter. Frame is supplied with a bolt up aluminium clamp.
- Custom CNC Extention chain tensioner allows the rear wheel to be removed without having to loosen the tensioner first. The tensioner also only has a cage on one side, meaning the chain can be put on and taken off without having to split and rejoin it!

Alter 24" fork

- Threaded steerer with screw in top cap allows for steerer tube routing of the front brake line.
- CNC machine, butted, aluminium steerer tube (190mm long) has massively increased wall thickness at the fork crown for increased strength .
- Chunky fork legs combined with CNC drop outs give high levels of stiffness, ideal for accuracy and high load moves like taps and hooks.
- Dropouts feature a cut away to guide the hub axle into place for easier wheel fitting and use a replaceable axle nut.
- Frame kit only available in Maroon Red and Pearlescent Blue.

Full kit includes:

Extention Alter 24" Frame
Extention Alter 24" Forks
Extention Sealed Headset & Top Cap
Extention custom CNC chain tensioner
15mm and 12mm axles

Weights:

- Total frame kit weight as pictured (Frame, fork, rear and front axle, tensioner, headset, seat clamp and top cap): 3.57kg

Geometry:

- Wheelbase: 990mm - Extention lists the wheelbase as 975mm and this is printed on the frame, but our measurement is 15mm longer
- Chainstay length: 360mm
- BB Height: +17.5mm
- Head Angle: 74
- Reach: 460mm
- Stack: 487mm


Compatibility
- Headset type: Internal Top Cup, 1-1/8" EC56/40 Lower Cup, 1-1.5"
- Bottom bracket type: Screw-in, 73mm shell width
- Dropout spacing: Frame - 142mm / Fork 100mm
- Brake mount type: +20mm Post Disc Mount
- Bashguard type: n/a - requires a bashring

Additional Information

This frame comes with a 6 month warranty covering manufacturing and materials defects. Damage incurred from collisions and impacts with obstacles may have a negative effect on the outcome of any warranty claim.The pearlescent paint will vary in tone depending on which way the light catches it, and minor differences in this style of paint finish are normal.

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  • © TartyBikes Ltd, 2024
  • Tel. (UK). 01772 32 33 33
  • Tel. (Intl). 0044 1772 32 33 33

TartyBikes Ltd, Units 3-4, Club Street, Bamber Bridge, Preston, PR5 6FN

  • Company No. 6131482
  • VAT. GB 860 0270 59

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