JCOB

ALLOY GXP SHORTCRANKS

$319.78

Chainrings

34/50 (Compact) 36/52 (Mid-Compact) 39/53 (Standard)

Crank Length

145mm 155mm 160mm 165mm

[{"id":18076098592832,"title":"34\/50 (Compact) \/ 145mm","option1":"34\/50 (Compact)","option2":"145mm","option3":null,"sku":"ALLOY145C","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 34\/50 (Compact) \/ 145mm","public_title":"34\/50 (Compact) \/ 145mm","options":["34\/50 (Compact)","145mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076098625600,"title":"34\/50 (Compact) \/ 155mm","option1":"34\/50 (Compact)","option2":"155mm","option3":null,"sku":"ALLOY155C","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 34\/50 (Compact) \/ 155mm","public_title":"34\/50 (Compact) \/ 155mm","options":["34\/50 (Compact)","155mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076098658368,"title":"34\/50 (Compact) \/ 160mm","option1":"34\/50 (Compact)","option2":"160mm","option3":null,"sku":"ALLOY160C","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 34\/50 (Compact) \/ 160mm","public_title":"34\/50 (Compact) \/ 160mm","options":["34\/50 (Compact)","160mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076098691136,"title":"34\/50 (Compact) \/ 165mm","option1":"34\/50 (Compact)","option2":"165mm","option3":null,"sku":"ALLOY165C","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 34\/50 (Compact) \/ 165mm","public_title":"34\/50 (Compact) \/ 165mm","options":["34\/50 (Compact)","165mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076098723904,"title":"36\/52 (Mid-Compact) \/ 145mm","option1":"36\/52 (Mid-Compact)","option2":"145mm","option3":null,"sku":"ALLOY145M","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 36\/52 (Mid-Compact) \/ 145mm","public_title":"36\/52 (Mid-Compact) \/ 145mm","options":["36\/52 (Mid-Compact)","145mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076098789440,"title":"36\/52 (Mid-Compact) \/ 155mm","option1":"36\/52 (Mid-Compact)","option2":"155mm","option3":null,"sku":"ALLOY155M","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 36\/52 (Mid-Compact) \/ 155mm","public_title":"36\/52 (Mid-Compact) \/ 155mm","options":["36\/52 (Mid-Compact)","155mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076098854976,"title":"36\/52 (Mid-Compact) \/ 160mm","option1":"36\/52 (Mid-Compact)","option2":"160mm","option3":null,"sku":"ALLOY160M","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 36\/52 (Mid-Compact) \/ 160mm","public_title":"36\/52 (Mid-Compact) \/ 160mm","options":["36\/52 (Mid-Compact)","160mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076098920512,"title":"36\/52 (Mid-Compact) \/ 165mm","option1":"36\/52 (Mid-Compact)","option2":"165mm","option3":null,"sku":"ALLOY165M","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 36\/52 (Mid-Compact) \/ 165mm","public_title":"36\/52 (Mid-Compact) \/ 165mm","options":["36\/52 (Mid-Compact)","165mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076099018816,"title":"39\/53 (Standard) \/ 145mm","option1":"39\/53 (Standard)","option2":"145mm","option3":null,"sku":"ALLOY145S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 39\/53 (Standard) \/ 145mm","public_title":"39\/53 (Standard) \/ 145mm","options":["39\/53 (Standard)","145mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076099084352,"title":"39\/53 (Standard) \/ 155mm","option1":"39\/53 (Standard)","option2":"155mm","option3":null,"sku":"ALLOY155S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 39\/53 (Standard) \/ 155mm","public_title":"39\/53 (Standard) \/ 155mm","options":["39\/53 (Standard)","155mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076099149888,"title":"39\/53 (Standard) \/ 160mm","option1":"39\/53 (Standard)","option2":"160mm","option3":null,"sku":"ALLOY160S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 39\/53 (Standard) \/ 160mm","public_title":"39\/53 (Standard) \/ 160mm","options":["39\/53 (Standard)","160mm"],"price":31978,"weight":1361,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":18076099248192,"title":"39\/53 (Standard) \/ 165mm","option1":"39\/53 (Standard)","option2":"165mm","option3":null,"sku":"ALLOY165S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ALLOY GXP SHORTCRANKS - 39\/53 (Standard) \/ 165mm","public_title":"39\/53 (Standard) \/ 165mm","options":["39\/53 (Standard)","165mm"],"price":31978,"weight":1361,"compare_at_price":28995,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}]

Our Alloy Short Cranks are a John Cobb engineered product designed to improve speed and comfort on the bike for all athletes. These hot forged alloy cranks have a GXP style axle (22/24mm) that are easy to install and work well with all road frame bottom bracket standards. They are available in compact, mid-compact and standard options and come in 4 different crank arm lengths 145mm, 155 mm, 160 mm or 165 mm.

IMPORTANT NOTE:

Trek BB90 frames require the use of a BB Infinite BB90 bottom bracket with Cobb Cranks. Any use of another bottom bracket in a Trek BB90 frame with Cobb Cranks will void the warranty. Link to bottom bracket below:

https://speedandcomfort.com/collections/bottom-brackets-2/products/bb-90

WEIGHT	770 g
POWER METER COMPATIBLE	No
CRANK LENGTHS	145, 155, 160, 165, 170 mm
CHAINRING BOLT PATTERNS	5 X 110 mm, 5 X 130 mm
INNER CHAINRING SIZES	34 X 110 mm, 36 X 110 mm, 39 X130 mm
OUTER CHAINRING SIZES	50 X 110 mm, 52 X 110 mm, 53 X 130 mm
CRANK SPINDLE	ROAD GXP 24/22 mm
DRIVETRAIN COMPATIBLE	SHIMANO 10/11, SRAM 10/11, CAMPY 10/11
MATERIAL	FORGED ALLOY
CHAINLINE	42 TO INNER CHAINRING

ALLOY GXP SHORTCRANKS

What is our Exclusive 30/60 Comfort Exchange Program?