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Extention Splined 12T Sprocket

Product code: 14192

$23.52

Splined Sprockets

$23.52

  • Replacement splined sprocket for Extention splined hubs!
  • Not compatible with any other brand of splined hubs.

$23.52

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Extention 142 x 12mm Rear Axle and Insert

Product code: 14191

$29.40

Through Axles

$29.40

  • Replacement 142 x 12mm axle to fit Extention Alter, Vary and Jarvis frames.
  • Not compatible with other brands of frame.

$29.40

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Extention 15 x 100mm Fork Axle and Insert

Product code: 14207

$32.92

Through Axles

$32.92

  • Replacement 15 x 10mm axle to fit Extention Alter and Vary forks.
  • Not compatible with other brands of frame.

$32.92

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Extention Rise Sprung Tensioner

Product code: 14206

$38.80

Sprung Tensioners

$38.80

  • Sealed cartridge bearings for smooth operation and long service life.
  • Direct replacement for Extention Rise 20 bikes!

$38.80

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Extention CNC Sprung Tensioner

Product code: 14205

$44.44

Sprung Tensioners

$44.44

RRP: $49.39

Save 10%

  • Direct replacement for Extention Alter and Vary frames!
  • Sealed cartridge bearings for smooth operation and long service life.

$44.44

RRP: $49.39

Save 10%

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Extention Front Disc Hub

Product code: 14209

$58.79

Front Disc Hubs

$58.79

  • Direct replacement front hub for Extention Rise 20 bikes!
  • 28h spoke drilling to suit a wide variety of modern trials rims.

$58.79

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Extention Splined 116 Rear Disc

Product code: 14208

$64.67

116mm Fixed Hubs

$64.67

  • Direct replacement rear hub for Extention Rise 20 bikes!
  • Only compatible with Extention 12T Splined Sprockets.

$64.67

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Extention BB24 Trial Crank

Product code: 14190

$117.59

Cranks (Pair)

$117.59

  • External BB trial crank to fit a variety of frames and drive set-ups!
  • Supplied with sealed bearing, external BB.
  • Recommended for use with a fixed sprocket.

$117.59

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Extention Rise 20 Frame Kit

Product code: 14355

$586.77

20" Frames

$586.77

  • Great value, 20" frame kit from Extention!
  • Featuring a tapered head tube, bash guard, sprung tensioner and M6 116mm rear hub spacing!

$586.77

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Extention Edith 24" Frame Kit

Product code: 14118

$646.74

24" Frames

$646.74

  • Great value 24" street frame from Extention!
  • Supplied with headset, tensioner, fork axle, M6 rear hub adaptors and seat clamp.
  • Threaded fork steerer tube for internal front brake routing!

$646.74

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Extention Alter 24" Frame Kit

Product code: 14117

From $837.82 to $881.93

24" Frames

From $837.82 to $881.93

RRP: $881.93

Save up to 5%

  • 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!

From $837.82 to $881.93

RRP: $881.93

Save up to 5%

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Extention Vary 26" Frame Kit

Product code: 14114

$881.93

100%

26" Frames

$881.93

  • High quality 26" 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!

$881.93

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  • © TartyBikes Ltd, 2025
  • 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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