E Thirteen Helix 11 Speed Cassette ClusterEngineered for the demands of modern mountain bike (MTB) riding, this cassette cluster is available in several different finish options which feature a tough aluminium construction, as well as a nickel finish option that's exclusively made of steel. This 11 speed model offers a highly durable and dependable build for tackling every obstacle that the trail throws at you. It's in e.thirteen's DNA to solve problems and that's why they created the Helix 11 Speed Cassette Cluster. Future-Proof Your Bike with e*thirteen HelixThe Helix R Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance but an overall lighter drivetrain. Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes.When installing the Helix R cassette, as with any cassette, e.thirteen recommends checking chain wear. If your chain shows 0.5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution.The Intergalactic 46t cluster features PVD finishing that is twice as durable as anodised models.Please note: This product is designed to be installed on a SRAM XD freehub. Both the 46T and 9T need to be purchased to get a complete cassette. Please choose from the menu the option that matches your drivetrain.Features: Cluster Material: Aluminium (Except Nickel option which is Steel) Use: MTB Speed: 11 speed Aluminium Cluster Option Tooth Count: 46T Steel Cluster Tooth Count (Nickel Option): 9,11,13,15,17,20,24,28,33,39TTechnologies: Compatibility: The Helix R 11-Speed Cassettes work flawlessly with Shimano and SRAM 11 speed drivetrains, despite the challenges in designing for the different cog spacing and chain behaviour. Performance: The improved performance of the Helix cassette features great Shimano 11 speed shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodised models. And it is 60g lighter. Cost Savings: The aluminium one-piece tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up as needed without buying a whole new cassette. More Range: 556% more range. Durable and Serviceable: Helix R features replaceable gear clusters and intergalactic PVD finishing. Low Weight: Lighter than both XTR and XX1.Manufacturer's Part Numbers: E13CS2014 Blue Intergalactic E13CS2015 Grey E13CS2016 Gold Bronze E13CS2017 Silver NickelBuy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E Thirteen Helix 11 Speed Cassette ClusterEngineered for the demands of modern mountain bike (MTB) riding, this cassette cluster is available in several different finish options which feature a tough aluminium construction, as well as a nickel finish option that's exclusively made of steel. This 11 speed model offers a highly durable and dependable build for tackling every obstacle that the trail throws at you. It's in e.thirteen's DNA to solve problems and that's why they created the Helix 11 Speed Cassette Cluster. Future-Proof Your Bike with e*thirteen HelixThe Helix R Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance but an overall lighter drivetrain. Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes.When installing the Helix R cassette, as with any cassette, e.thirteen recommends checking chain wear. If your chain shows 0.5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution.The Intergalactic 46t cluster features PVD finishing that is twice as durable as anodised models.Please note: This product is designed to be installed on a SRAM XD freehub. Both the 46T and 9T need to be purchased to get a complete cassette. Please choose from the menu the option that matches your drivetrain.Features: Cluster Material: Aluminium (Except Nickel option which is Steel) Use: MTB Speed: 11 speed Aluminium Cluster Option Tooth Count: 46T Steel Cluster Tooth Count (Nickel Option): 9,11,13,15,17,20,24,28,33,39TTechnologies: Compatibility: The Helix R 11-Speed Cassettes work flawlessly with Shimano and SRAM 11 speed drivetrains, despite the challenges in designing for the different cog spacing and chain behaviour. Performance: The improved performance of the Helix cassette features great Shimano 11 speed shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodised models. And it is 60g lighter. Cost Savings: The aluminium one-piece tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up as needed without buying a whole new cassette. More Range: 556% more range. Durable and Serviceable: Helix R features replaceable gear clusters and intergalactic PVD finishing. Low Weight: Lighter than both XTR and XX1.Manufacturer's Part Numbers: E13CS2014 Blue Intergalactic E13CS2015 Grey E13CS2016 Gold Bronze E13CS2017 Silver NickelBuy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E Thirteen Helix 11 Speed Cassette ClusterEngineered for the demands of modern mountain bike (MTB) riding, this cassette cluster is available in several different finish options which feature a tough aluminium construction, as well as a nickel finish option that's exclusively made of steel. This 11 speed model offers a highly durable and dependable build for tackling every obstacle that the trail throws at you. It's in e.thirteen's DNA to solve problems and that's why they created the Helix 11 Speed Cassette Cluster. Future-Proof Your Bike with e*thirteen HelixThe Helix R Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance but an overall lighter drivetrain. Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes.When installing the Helix R cassette, as with any cassette, e.thirteen recommends checking chain wear. If your chain shows 0.5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution.The Intergalactic 46t cluster features PVD finishing that is twice as durable as anodised models.Please note: This product is designed to be installed on a SRAM XD freehub. Both the 46T and 9T need to be purchased to get a complete cassette. Please choose from the menu the option that matches your drivetrain.Features: Cluster Material: Aluminium (Except Nickel option which is Steel) Use: MTB Speed: 11 speed Aluminium Cluster Option Tooth Count: 46T Steel Cluster Tooth Count (Nickel Option): 9,11,13,15,17,20,24,28,33,39TTechnologies: Compatibility: The Helix R 11-Speed Cassettes work flawlessly with Shimano and SRAM 11 speed drivetrains, despite the challenges in designing for the different cog spacing and chain behaviour. Performance: The improved performance of the Helix cassette features great Shimano 11 speed shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodised models. And it is 60g lighter. Cost Savings: The aluminium one-piece tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up as needed without buying a whole new cassette. More Range: 556% more range. Durable and Serviceable: Helix R features replaceable gear clusters and intergalactic PVD finishing. Low Weight: Lighter than both XTR and XX1.Manufacturer's Part Numbers: E13CS2014 Blue Intergalactic E13CS2015 Grey E13CS2016 Gold Bronze E13CS2017 Silver NickelBuy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E Thirteen Helix 12 Speed Cassette ClusterBuilt for the demands of modern mountain biking, this model offers a highly durable and dependable build for tackling every obstacle that the trail throws at you. It's in e.thirteen's DNA to solve problems and that's why they created the Helix R 12 speed cassette cluster. It's available in several different finish options which feature a tough aluminium construction, as well as a nickel finish option that's exclusively made of steel.Future-Proof Your Bike with e*thirteen HelixThe Helix R 12 Speed Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance, but an overall lighter drivetrain.Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. As an added bonus, Helix R 12 speed clusters are backward compatible with and can be used to upgrade your existing TRS+ 9-50 cassette.When installing the Helix R cassette, as with any cassette, e.thirteen recommends checking chain wear. If your chain shows 0.5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution.The Intergalactic 42-50t cluster features PVD finishing that is twice as durable as anodised models.Please note: This product is a replacement cassette cluster and is available in different sizes. Please choose from the menu the option that matches your drivetrain.Features: Cluster Material: Aluminium (Except Nickel option which is Steel) Use: MTB Speed: 12 speed Ratio: Multiple options available to selectTechnologies: Compatibility: The Helix R 12-Speed Cassettes work flawlessly with Shimano and SRAM 12 speed drivetrains, despite the challenges in designing for the different cog spacing and chain behaviour. Performance: The improved performance of the Helix cassette features great Shimano 12 speed shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodised models. And it is 60g lighter. Cost Savings: The aluminium one-piece 42/50 tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up as needed without buying a whole new cassette. More Range: 556% more range. Durable and Serviceable: Helix R features replaceable gear clusters and intergalactic PVD finishing. Low Weight: Lighter than both XTR and XX1.Buy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E Thirteen Helix 12 Speed Cassette ClusterBuilt for the demands of modern mountain biking, this model offers a highly durable and dependable build for tackling every obstacle that the trail throws at you. It's in e.thirteen's DNA to solve problems and that's why they created the Helix R 12 speed cassette cluster. It's available in several different finish options which feature a tough aluminium construction, as well as a nickel finish option that's exclusively made of steel.Future-Proof Your Bike with e*thirteen HelixThe Helix R 12 Speed Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance, but an overall lighter drivetrain.Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. As an added bonus, Helix R 12 speed clusters are backward compatible with and can be used to upgrade your existing TRS+ 9-50 cassette.When installing the Helix R cassette, as with any cassette, e.thirteen recommends checking chain wear. If your chain shows 0.5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution.The Intergalactic 42-50t cluster features PVD finishing that is twice as durable as anodised models.Please note: This product is a replacement cassette cluster and is available in different sizes. Please choose from the menu the option that matches your drivetrain.Features: Cluster Material: Aluminium (Except Nickel option which is Steel) Use: MTB Speed: 12 speed Ratio: Multiple options available to selectTechnologies: Compatibility: The Helix R 12-Speed Cassettes work flawlessly with Shimano and SRAM 12 speed drivetrains, despite the challenges in designing for the different cog spacing and chain behaviour. Performance: The improved performance of the Helix cassette features great Shimano 12 speed shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodised models. And it is 60g lighter. Cost Savings: The aluminium one-piece 42/50 tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up as needed without buying a whole new cassette. More Range: 556% more range. Durable and Serviceable: Helix R features replaceable gear clusters and intergalactic PVD finishing. Low Weight: Lighter than both XTR and XX1.Buy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E Thirteen Helix 12 Speed Cassette ClusterBuilt for the demands of modern mountain biking, this model offers a highly durable and dependable build for tackling every obstacle that the trail throws at you. It's in e.thirteen's DNA to solve problems and that's why they created the Helix R 12 speed cassette cluster. It's available in several different finish options which feature a tough aluminium construction, as well as a nickel finish option that's exclusively made of steel.Future-Proof Your Bike with e*thirteen HelixThe Helix R 12 Speed Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance, but an overall lighter drivetrain.Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. As an added bonus, Helix R 12 speed clusters are backward compatible with and can be used to upgrade your existing TRS+ 9-50 cassette.When installing the Helix R cassette, as with any cassette, e.thirteen recommends checking chain wear. If your chain shows 0.5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution.The Intergalactic 42-50t cluster features PVD finishing that is twice as durable as anodised models.Please note: This product is a replacement cassette cluster and is available in different sizes. Please choose from the menu the option that matches your drivetrain.Features: Cluster Material: Aluminium (Except Nickel option which is Steel) Use: MTB Speed: 12 speed Ratio: Multiple options available to selectTechnologies: Compatibility: The Helix R 12-Speed Cassettes work flawlessly with Shimano and SRAM 12 speed drivetrains, despite the challenges in designing for the different cog spacing and chain behaviour. Performance: The improved performance of the Helix cassette features great Shimano 12 speed shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodised models. And it is 60g lighter. Cost Savings: The aluminium one-piece 42/50 tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up as needed without buying a whole new cassette. More Range: 556% more range. Durable and Serviceable: Helix R features replaceable gear clusters and intergalactic PVD finishing. Low Weight: Lighter than both XTR and XX1.Buy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E Thirteen Helix 12 Speed Cassette ClusterBuilt for the demands of modern mountain biking, this model offers a highly durable and dependable build for tackling every obstacle that the trail throws at you. It's in e.thirteen's DNA to solve problems and that's why they created the Helix R 12 speed cassette cluster. It's available in several different finish options which feature a tough aluminium construction, as well as a nickel finish option that's exclusively made of steel.Future-Proof Your Bike with e*thirteen HelixThe Helix R 12 Speed Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance, but an overall lighter drivetrain.Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. As an added bonus, Helix R 12 speed clusters are backward compatible with and can be used to upgrade your existing TRS+ 9-50 cassette.When installing the Helix R cassette, as with any cassette, e.thirteen recommends checking chain wear. If your chain shows 0.5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution.The Intergalactic 42-50t cluster features PVD finishing that is twice as durable as anodised models.Please note: This product is a replacement cassette cluster and is available in different sizes. Please choose from the menu the option that matches your drivetrain.Features: Cluster Material: Aluminium (Except Nickel option which is Steel) Use: MTB Speed: 12 speed Ratio: Multiple options available to selectTechnologies: Compatibility: The Helix R 12-Speed Cassettes work flawlessly with Shimano and SRAM 12 speed drivetrains, despite the challenges in designing for the different cog spacing and chain behaviour. Performance: The improved performance of the Helix cassette features great Shimano 12 speed shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodised models. And it is 60g lighter. Cost Savings: The aluminium one-piece 42/50 tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up as needed without buying a whole new cassette. More Range: 556% more range. Durable and Serviceable: Helix R features replaceable gear clusters and intergalactic PVD finishing. Low Weight: Lighter than both XTR and XX1.Buy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SunRace CSMZ800 12 Speed CassetteFeaturing hard-wearing steel cogs, this trail-ready mountain bike (MTB) cassette is well-equipped for handling all the demands associated with all-day epics on your favourite trails. SunRace has also kitted out this model with an alloy lockring and spider for additional strength and durability, while its numerous holes keep its weight reduced to a minimum. Benefitting from an ED black coating, it offers fantastic wear resistance as you charge from trail to trail. Another highlight is its wide 11-51 tooth ratio that's paired with Fluid Drive Plus technology for consistent shifting performance, wherever your next adventure takes you.Please note: This is a Shimano HG fitment option and does not fit Shimano MicroSpline.Features: Cogs Material: Steel Lockring Material: Alloy Spider Material: Alloy Finish: ED Black Coating Use: Mountain Bike (MTB) Speed: 12 speed Tooth Count: 11-51T Freehub Compatibility: Shimano HG/SRAM Weight: 648gManufacturer's Part Number: 88215229 Black/Red 11-51T Shimano/SRAMBuy SunRace Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E Thirteen LG1 Race Carbon CranksetThis mountain bike (MTB) crankset features two compacted carbon fibre crankarms for a superior strength to weight ratio as you weave your way from trail to trail. Its carbon build also delivers increased stiffness and strength, without adding any unnecessary excess grams to your ride. Another highlight is e.thirteen has kitted out this model with an additional 3K carbon finish that's added to the front and rear faces for greater impact resistance.Carbon MTB Crankset with Adjustable ChainlineWorld Cup proven for years, and in contrast to e.thirteen's Gen3 carbon cranks, the Q Factor, overall profile, and volume of these Gen4 cranks has been greatly reduced. The spindle has been moved to the non-drive side for easier chainguide setup and drivetrain maintenance. Its adjustable chainline accommodates non-Boost, Boost, and Super Boost setups. Finally, all cranks now include an 8mm self-extractor.Features: Crankarm Material: Carbon Fibre with 3K finish Use: MTB Spindle: Width: 73mm; Diameter 30mm, Interface P3 Connect Compatibility: All frames with 73mm BB shell Compatible Chainring: SL Chainring (-8mm offset) Number of Chainrings: 1 Included: Crankset, APS Adjuster, Installation Tools, Crank Boots (x2), Sticker, User Manual Bottom Bracket Included: No, available separately Chainring Included: No, available separatelyManufacturer's Part Number: E13CR2007 Black 165 x 73mm E13CR2008 Black 170 x 73mm E13CR2009 Black 175 x 73mmBuy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
FSA Gossamer Pro 386 Evo Road ChainsetFeaturing two cold-forged AL6061 T6 aluminium crank arms, this chainset provides fantastic strength and durability on your road bike. FSA has also equipped this version with a forged AL7050 aluminium spindle, giving it additional stiffness while also keeping its overall weight to a minimum. Perfect for clocking up the miles on your road bike, this model provides fast acceleration and smooth shifting operation from its robust double chainring design.Durable Aluminium Road Bike ChainsetNot ready for carbon? The Gossamer is a high-end crankset for alloy lovers. With an impressive history of wins on the brutal cobbles of Paris-Roubaix, it needs no further introduction - yet the details shouldn't be ignored. The cold-forged aluminium arms are heavily scalloped for the maximum strength to weight ratio and the versatile BB368EVO spindle is forged from an even stronger material. the Gossamer fits any combination of bike, rider and riding styles.Features: Crank Arms Material: Cold Forged AL6061/T6 Aluminium Spindle Material: Forged AL7050 Aluminium Use: Road Bottom Bracket Compatibility: BB386EVO Series: Gossamer BCD: 120/90mm Bolt Count: 4 Q-Factor: 145mm Crankset Type: Double Drivetrain Compatibility: Shimano and SRAM 10-11 speed systems Weight: 751g (50/34T x 170mm option)Manufacturer's Part Numbers: 336-0347BJ3090 Black 46/33T 170mm 46.30T 336-0347BJ4090 Black 46/33T 172.5mm 46.30T 336-0347BJ5090 Black 46/33T 175mm 46.30T 336-0347AJ3090 Black 48/32T 170mm 48.32T 336-0347AJ4090 Black 48/32T 172.5mm 48.32T 336-0347554090 Black 50/34T 172.5mm 50.34T 336-0347AJ5090 Black 48/32T 175mm 48.32T 336-0347553090 Black 50/34T 170mm 50.34T 336-0347555090 Black 50/34T 175mm 50.34T 336-0347743090 Black 52/36T 170mm 52.36T 336-0347744090 Black 52/36T 172.5mm 52.36T 336-0347745090 Black 52/36T 175mm 52.36T 336-0347293090 Black 53/39T 170mm 53.39T 336-0347294090 Black 53/39T 172.5mm 53.39T 336-0347295090 Black 53/39T 175mm 53.39TBuy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
E Thirteen Helix 12 Speed Cassette ClusterBuilt for the demands of modern mountain biking, this model offers a highly durable and dependable build for tackling every obstacle that the trail throws at you. It's in e.thirteen's DNA to solve problems and that's why they created the Helix R 12 speed cassette cluster. It's available in several different finish options which feature a tough aluminium construction, as well as a nickel finish option that's exclusively made of steel.Future-Proof Your Bike with e*thirteen HelixThe Helix R 12 Speed Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance, but an overall lighter drivetrain.Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. As an added bonus, Helix R 12 speed clusters are backward compatible with and can be used to upgrade your existing TRS+ 9-50 cassette.When installing the Helix R cassette, as with any cassette, e.thirteen recommends checking chain wear. If your chain shows 0.5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical solution.The Intergalactic 42-50t cluster features PVD finishing that is twice as durable as anodised models.Please note: This product is a replacement cassette cluster and is available in different sizes. Please choose from the menu the option that matches your drivetrain.Features: Cluster Material: Aluminium (Except Nickel option which is Steel) Use: MTB Speed: 12 speed Ratio: Multiple options available to selectTechnologies: Compatibility: The Helix R 12-Speed Cassettes work flawlessly with Shimano and SRAM 12 speed drivetrains, despite the challenges in designing for the different cog spacing and chain behaviour. Performance: The improved performance of the Helix cassette features great Shimano 12 speed shifting performance and improved reliability of steel and aluminum assembly. The Intergalactic PVD finishing is twice as durable as anodised models. And it is 60g lighter. Cost Savings: The aluminium one-piece 42/50 tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up as needed without buying a whole new cassette. More Range: 556% more range. Durable and Serviceable: Helix R features replaceable gear clusters and intergalactic PVD finishing. Low Weight: Lighter than both XTR and XX1.Buy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Brand-X Sealed Semi Integrated Headset (44IISS)The Brand-X 44IISS Headset has an Internal (Zero Stack) 44mm Upper Cup and an Internal (Zero Stack) 44mm Lower Cup for use with a 1-1/8”Straight Steerer. It uses sealed angular contact bearings and has been designed to offer superior reliability, quality and performance at an exceptional price point.Features:Angular contact sealed bearingsHeight: 9.1 ± 1mmMaterial: CNC Forged and Machined 6061 AlloySHIS Norm: ZS44/28.6 | ZS44/30Includes: Top cap and Star Nut Buy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.