{"title":"Crank arms","description":"\u003cp\u003eCrank arms sold without a chainring, to build your own crankset: carbon or aluminium, SRAM DUB or Shimano 24 mm spindle. Choose the length first, then what goes on the front, chainring or power meter.\u003c\/p\u003e\u003ch2\u003eLength sets your position\u003c\/h2\u003e\u003cp\u003eCrank length is as much a position adjustment as a choice of equipment. The \u003ca href=\"\/en\/products\/cybrei-gp-3-carbon-road-crank-arms\"\u003eCybrei GP-3\u003c\/a\u003e crank arms come in eleven lengths, from 150 to 175 mm in 2.5 mm steps. Going from 172.5 to 165 mm puts the foot 7.5 mm lower at top dead centre: the hip opens, and the knee comes up less. Leverage drops by about 4%, which you get back by spinning at 94 rpm instead of 90.\u003c\/p\u003e\u003ch2\u003eThe interface decides what goes on the front\u003c\/h2\u003e\u003cp\u003eThe Cybrei crank arms use the Easton Cinch interface: they take a 110 × 4 spider for a double chainring, a direct mount chainring or a power meter spider. The \u003ca href=\"\/en\/products\/stone-dub-8-bolt-road-gravel-crank-arms\"\u003eStone DUB 8-bolt\u003c\/a\u003e crank arms take 8-bolt chainrings, spiders and power meters, never 3-bolt ones. \u003ca href=\"\/en\/collections\/chainrings\"\u003eChainrings\u003c\/a\u003e are then chosen to match that interface.\u003c\/p\u003e\u003ch2\u003eThe spindle: DUB, 24 mm or carbon\u003c\/h2\u003e\u003cp\u003eThe spindle follows the frame's bottom bracket. The \u003ca href=\"\/en\/products\/cybrei-ultra-carbon-road-crank-arms\"\u003eCybrei Ultra\u003c\/a\u003e make the spindle itself in carbon, about 270 g a pair including the spindle, in DUB only. The choice has its logic: for the same wall thickness, a tube's resistance to torsion is proportional to the cube of its diameter, nearly 1.8 times more at 29 mm than at 24 mm. That large diameter leaves the carbon some margin.\u003c\/p\u003e\u003ch2\u003eMeasuring your power\u003c\/h2\u003e\u003cp\u003eA spider power meter replaces the stock spider and keeps your chainrings. The \u003ca href=\"\/en\/products\/xcadey-xpower-s-gen2-power-meter\"\u003eXcadey XPOWER-S GEN2\u003c\/a\u003e in its Easton 110BCD-4S version fits the GP-3 and the Ultra, accurate to ±1%, or ±3 W at 300 W. To remove a Cybrei crank, have the \u003ca href=\"\/en\/products\/maake-isis-crank-removal-tool\"\u003eISIS 20 crank removal tool\u003c\/a\u003e to hand.\u003c\/p\u003e","products":[{"product_id":"stone-dub-8-vis-manivelles-route-gravel","title":"STONE DUB 8-BOLT aluminium road and gravel crank arms","description":"\u003cp\u003eThe Stone DUB 8-bolt crank arms are an aluminium crankset base for road and gravel, for riders who want to choose what goes on the front: chainring, double spider or power meter with an 8-bolt interface.\u003c\/p\u003e\u003cp\u003eIt all starts with the 29 mm DUB spindle: Stone holds its splines to 0.015 mm of symmetry and its roundness to 0.01 mm, thanks to in-process probing during machining. The splines fit snugly into the crank arm.\u003c\/p\u003e\u003cp\u003eThe 120 mm spindle supplied as standard gives a 146 mm Q-factor, the distance between the outer faces of the crank arms. With a \u003ca href=\"\/en\/products\/stone-aero-sram-8-bolt-road-gravel-chainring\"\u003eStone chainring with a 4.2 mm offset\u003c\/a\u003e, the chainline is 46 mm. The 125 mm spindle, available on request before you order, moves each foot out by 2.5 mm and the chain by the same amount: Stone intends it for gravel. No Shimano 24 mm bottom bracket, no 3-bolt chainring.\u003c\/p\u003e\u003cp\u003eStone machines these crank arms in-house and validates them at 1,800 N at two angles. MAAKE picks them as a base that evolves: another chainring, a power meter, without touching the rest.\u003c\/p\u003e","brand":"Stone","offers":[{"title":"Black \/ 155 mm","offer_id":60025937723717,"sku":"CPT-STONE-DUB8-155-NOI","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 160 mm","offer_id":60025937756485,"sku":"CPT-STONE-DUB8-160-NOI","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 162.5 mm","offer_id":60025937789253,"sku":"CPT-STONE-DUB8-1625-NOI","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 165 mm","offer_id":60025937822021,"sku":"CPT-STONE-DUB8-165-NOI","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 167.5 mm","offer_id":60025937854789,"sku":"CPT-STONE-DUB8-1675-NOI","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 170 mm","offer_id":60025937887557,"sku":"CPT-STONE-DUB8-170-NOI","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 172.5 mm","offer_id":60025937920325,"sku":"CPT-STONE-DUB8-1725-NOI","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 175 mm","offer_id":60025937953093,"sku":"CPT-STONE-DUB8-175-NOI","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 155 mm","offer_id":60025937985861,"sku":"CPT-STONE-DUB8-155-ARG","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 160 mm","offer_id":60025938018629,"sku":"CPT-STONE-DUB8-160-ARG","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 162.5 mm","offer_id":60025938051397,"sku":"CPT-STONE-DUB8-1625-ARG","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 165 mm","offer_id":60025938084165,"sku":"CPT-STONE-DUB8-165-ARG","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 167.5 mm","offer_id":60025938116933,"sku":"CPT-STONE-DUB8-1675-ARG","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 170 mm","offer_id":60025938149701,"sku":"CPT-STONE-DUB8-170-ARG","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 172.5 mm","offer_id":60025938182469,"sku":"CPT-STONE-DUB8-1725-ARG","price":110.0,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 175 mm","offer_id":60025938215237,"sku":"CPT-STONE-DUB8-175-ARG","price":110.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/4181\/8949\/files\/stone-manivelles-dub-8-vis-noir-studio-01.webp?v=1793558897"},{"product_id":"xcadey-xpower-s-gen2-capteur-de-puissance","title":"XCADEY XPOWER-S GEN2 power meter","description":"\u003cp\u003eThe XCADEY XPOWER-S GEN2 is a spider-based power meter: it takes the place of the stock spider, between the right crank and the chainrings. Nine versions cover road and MTB.\u003c\/p\u003e\u003cp\u003eAll the torque from both legs goes through the spider. Eight strain gauges measure how it deforms, an accelerometer gives cadence and an algorithm corrects for temperature: Xcadey claims ±1%, or ±3 W at 300 W.\u003c\/p\u003e\u003cp\u003e350 hours of battery life is eight months at 10 hours of riding a week. The limit lies in the principle: the spider sees the sum of both legs, so left-right balance is only an estimate. To choose, look at the crank: SRAM 3-bolt, SRAM 8-bolt, Easton or Shimano refers to how the spider mounts, 4S or 5S to the number of chainring bolts.\u003c\/p\u003e\u003cp\u003eXcadey offers the same electronics in 25 spider models in machined 7075 aluminium. We chose it for its Easton 110BCD-4S version, which fits the GP-3 and Ultra \u003ca href=\"\/en\/products\/cybrei-gp-3-carbon-road-crank-arms\"\u003eCybrei cranks\u003c\/a\u003e.\u003c\/p\u003e","brand":"Xcadey","offers":[{"title":"Easton 110BCD-4S","offer_id":60027113734469,"sku":"CPT-XCAD-XPS2-EAS-1104S","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"Easton 110BCD-5S","offer_id":60027113767237,"sku":"CPT-XCAD-XPS2-EAS-1105S","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"Shimano MTB 104BCD","offer_id":60027113800005,"sku":"CPT-XCAD-XPS2-SHI-104","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"SRAM 3-Bolt 104BCD","offer_id":60027113832773,"sku":"CPT-XCAD-XPS2-S3B-104","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"SRAM 3-Bolt 110BCD-4S","offer_id":60027113865541,"sku":"CPT-XCAD-XPS2-S3B-1104S","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"SRAM 3-Bolt 110BCD-5S","offer_id":60027113898309,"sku":"CPT-XCAD-XPS2-S3B-1105S","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"SRAM 8-Bolt 104BCD","offer_id":60027113931077,"sku":"CPT-XCAD-XPS2-S8B-104","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"SRAM 8-Bolt 110BCD-4S","offer_id":60027113963845,"sku":"CPT-XCAD-XPS2-S8B-1104S","price":329.0,"currency_code":"EUR","in_stock":true},{"title":"SRAM 8-Bolt 110BCD-5S","offer_id":60027113996613,"sku":"CPT-XCAD-XPS2-S8B-1105S","price":329.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/4181\/8949\/files\/xcadey-xpower-s-gen2-easton-110bcd-4s-studio-01.webp?v=1793568093"},{"product_id":"cybrei-ultra-manivelles-carbone-route","title":"CYBREI ULTRA carbon road crank arms","description":"\u003cp\u003eThe Cybrei Ultra crank arms are for road bikes built down to the gram: Toray T1000 carbon arms, a carbon spindle too, about 270 g a pair with the spindle.\u003c\/p\u003e\u003cp\u003eIt all comes down to the spindle. Carbon cranks usually keep an alloy spindle: Cybrei replaces it with a 28.99 mm carbon spindle, to the SRAM DUB standard, with no claimed loss of torsional stiffness.\u003c\/p\u003e\u003cp\u003eDUB alone has a mechanical logic: for the same wall thickness, a tube resists torsion in proportion to the cube of its diameter, nearly 1.8 times more at 29 mm than at 24 mm. That large diameter gives the carbon some margin. The flip side: no Shimano 24 mm version, and six lengths from 155 to 172.5 mm. For a 24 mm bottom bracket, there is the \u003ca href=\"\/en\/products\/cybrei-gp-3-carbon-road-crank-arms\"\u003eCybrei GP-3\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eThe Ultra builds on the GP-3, which Cybrei tested with UCI Continental teams. MAAKE picks it for road builds where every gram counts.\u003c\/p\u003e","brand":"Cybrei","offers":[{"title":"155 mm","offer_id":60027115897157,"sku":"CPT-CYBR-ULTRA-155","price":718.99,"currency_code":"EUR","in_stock":true},{"title":"160 mm","offer_id":60027115929925,"sku":"CPT-CYBR-ULTRA-160","price":718.99,"currency_code":"EUR","in_stock":true},{"title":"165 mm","offer_id":60027115962693,"sku":"CPT-CYBR-ULTRA-165","price":718.99,"currency_code":"EUR","in_stock":true},{"title":"167.5 mm","offer_id":60027115995461,"sku":"CPT-CYBR-ULTRA-1675","price":718.99,"currency_code":"EUR","in_stock":true},{"title":"170 mm","offer_id":60027116028229,"sku":"CPT-CYBR-ULTRA-170","price":718.99,"currency_code":"EUR","in_stock":true},{"title":"172.5 mm","offer_id":60027116060997,"sku":"CPT-CYBR-ULTRA-1725","price":718.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/4181\/8949\/files\/cybrei-ultra-studio-01.webp?v=1793568140"},{"product_id":"cybrei-gp-3-manivelles-carbone-route","title":"CYBREI GP-3 carbon road crank arms","description":"\u003cp\u003eThe Cybrei GP-3 crank arms are a carbon road base that adapts to the bottom bracket you already have: a 28.99 mm SRAM DUB or 24 mm Shimano spindle, and eleven lengths from 150 to 175 mm. At the front, the Easton Cinch interface takes a spider for a double chainring or a \u003ca href=\"\/en\/products\/stone-aero-easton-cinch-road-gravel-chainring\"\u003edirect mount chainring\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eA carbon crank has to last, first of all. Cybrei put the GP-3 on the test bench: a 130 J impact, then 1,800 N repeated 140,000 times, 40% beyond what the EN 14781 standard requires. Its average stiffness is measured at 101.5 N\/mm.\u003c\/p\u003e\u003cp\u003eThe 2.5 mm steps are there for fit. Going from 172.5 to 165 mm raises the foot by 7.5 mm at the bottom of the stroke: you raise the saddle by the same amount, and at the top of the stroke the saddle-to-pedal distance grows by 15 mm. The hip opens up. To remove them, you need an ISIS-standard crank puller.\u003c\/p\u003e\u003cp\u003eCybrei spent three years developing the GP-3, tested by UCI Continental teams. MAAKE picks it because it adapts to the bike. For a carbon spindle, there is the \u003ca href=\"\/en\/products\/cybrei-ultra-carbon-road-crank-arms\"\u003eUltra\u003c\/a\u003e.\u003c\/p\u003e","brand":"Cybrei","offers":[{"title":"150 mm \/ SRAM DUB 29 mm","offer_id":60027116290373,"sku":"CPT-CYBR-GP3-DUB-150","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"150 mm \/ Shimano 24 mm","offer_id":60027116323141,"sku":"CPT-CYBR-GP3-S24-150","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"152.5 mm \/ SRAM DUB 29 mm","offer_id":60027116355909,"sku":"CPT-CYBR-GP3-DUB-1525","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"152.5 mm \/ Shimano 24 mm","offer_id":60027116388677,"sku":"CPT-CYBR-GP3-S24-1525","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"155 mm \/ SRAM DUB 29 mm","offer_id":60027116421445,"sku":"CPT-CYBR-GP3-DUB-155","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"155 mm \/ Shimano 24 mm","offer_id":60027116454213,"sku":"CPT-CYBR-GP3-S24-155","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"157.5 mm \/ SRAM DUB 29 mm","offer_id":60027116486981,"sku":"CPT-CYBR-GP3-DUB-1575","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"157.5 mm \/ Shimano 24 mm","offer_id":60027116519749,"sku":"CPT-CYBR-GP3-S24-1575","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"160 mm \/ SRAM DUB 29 mm","offer_id":60027116552517,"sku":"CPT-CYBR-GP3-DUB-160","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"160 mm \/ Shimano 24 mm","offer_id":60027116585285,"sku":"CPT-CYBR-GP3-S24-160","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"162.5 mm \/ SRAM DUB 29 mm","offer_id":60027116618053,"sku":"CPT-CYBR-GP3-DUB-1625","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"162.5 mm \/ Shimano 24 mm","offer_id":60027116650821,"sku":"CPT-CYBR-GP3-S24-1625","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"165 mm \/ SRAM DUB 29 mm","offer_id":60027116683589,"sku":"CPT-CYBR-GP3-DUB-165","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"165 mm \/ Shimano 24 mm","offer_id":60027116716357,"sku":"CPT-CYBR-GP3-S24-165","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"167.5 mm \/ SRAM DUB 29 mm","offer_id":60027116749125,"sku":"CPT-CYBR-GP3-DUB-1675","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"167.5 mm \/ Shimano 24 mm","offer_id":60027116781893,"sku":"CPT-CYBR-GP3-S24-1675","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"170 mm \/ SRAM DUB 29 mm","offer_id":60027116814661,"sku":"CPT-CYBR-GP3-DUB-170","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"170 mm \/ Shimano 24 mm","offer_id":60027116847429,"sku":"CPT-CYBR-GP3-S24-170","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"172.5 mm \/ SRAM DUB 29 mm","offer_id":60027116880197,"sku":"CPT-CYBR-GP3-DUB-1725","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"172.5 mm \/ Shimano 24 mm","offer_id":60027116912965,"sku":"CPT-CYBR-GP3-S24-1725","price":489.99,"currency_code":"EUR","in_stock":true},{"title":"175 mm \/ SRAM DUB 29 mm","offer_id":60027116945733,"sku":"CPT-CYBR-GP3-DUB-175","price":419.99,"currency_code":"EUR","in_stock":true},{"title":"175 mm \/ Shimano 24 mm","offer_id":60027116978501,"sku":"CPT-CYBR-GP3-S24-175","price":489.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/4181\/8949\/files\/cybrei-gp-3-studio-01.webp?v=1793568156"},{"product_id":"maake-cle-demonte-manivelles-isis","title":"MAAKE ISIS 20 crank removal tool","description":"\u003cp\u003eThe ISIS 20 tool fits onto parts with a 20-tooth ISIS interface. MAAKE offers it with \u003ca href=\"\/en\/collections\/crank-arms\"\u003eCybrei cranks\u003c\/a\u003e, to remove and refit them in the workshop. Its 5 cm body, in 45# carbon steel, turns with a ratchet via its square drive or with a spanner via its hex.\u003c\/p\u003e\u003cp\u003eBefore ordering, count the notches on the part to remove: it needs 20, with the ISIS profile. 45# steel is the Chinese equivalent of European C45, an unalloyed carbon steel.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUse\u003c\/td\u003e\n\u003ctd\u003eRemoving and refitting Cybrei cranks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eISIS, 20 teeth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e45# carbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive\u003c\/td\u003e\n\u003ctd\u003eSquare and hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eNot published\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"MAAKE","offers":[{"title":"Default Title","offer_id":60027118289221,"sku":"OUT-MAAKE-ISIS20","price":14.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/4181\/8949\/files\/maake-cle-isis-20-silver-studio-01.webp?v=1793568283"}],"url":"https:\/\/maake.cc\/en\/collections\/crank-arms.oembed","provider":"MAAKE","version":"1.0","type":"link"}