Perfect for updating your existing upper headset interface, this upper headset features a hard-wearing aluminium construction. This makes it more than capable of handling all the intensity that's associated with all-day epics in the mountains and long-distance rides on your road bike. Allowing your fork's steerer to rotate inside the frame's headtube, this upper headset is equipped with stainless steel bearings. This gives it an extra layer of durability, while its R3 seal allows it to perform in all-weather conditions.
Acros Ai-41 IS41/30 Lower Headset Allowing your fork's steerer to rotate smoothly inside your frame's headtube, this upper headset is an essential upgrade for reliable steering performance. It features a rock-solid aluminium construction, which allows it to withstand all the aggressiveness from mountain bike trails and the intensity of road-racing. Coming complete with stainless steel bearings and an R3 seal, this is a perfect upgrade for reliable performance in all-weather conditions.Features: Headset Material: Aluminium Bearing Material: Stainless Steel Seal Material: R3 (Metal-reinforced Rubber) Use: Road, MTB Steerer Diameter: 1 1/8" Headset Type: Integrated Part Number: 3802601SBuy Acros Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Acros Ai-47 IS47/30+33 Lower HeadsetDesigned for smooth performance on your road bike or mountain bike, this lower headset gives you a rotatable interface between your bike's fork and headtube. It features a hard-wearing aluminium construction, which makes it capable of handling the abuse associated with shredding the trails or competing in a road-racing event. Acros has also gone the extra mile, by equipping this lower headset with stainless steel bearings and an R3 seal for top-performance in all-weather conditions. Features: Headset Material: Aluminium Bearing Material: Stainless Steel Seal Material: R3 (Metal-reinforced Rubber) Use: Road, MTB Steerer Diameter: 1 1/8-1 1/4" tapered Bearing Fit: 47mm Headset Type: Integrated Part Number: 4502601S Weight: 35g (approx)Buy Acros Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Zerostack construction forms are widely used through their advantages, of a low overall height and bearing shells.Features:Stainless - Industry - Angular contact ball bearings, double sealed,CNC - made in Germany / Al2000 series,R3 seal (metal sheet supported rubber seal).Technical Specifications:Fork steerer:30mm/1 1/8",Cup skirt Ø: 44mm,Cup skirt length: 7,7mm,Total stack high: 5,4mm,Weight: 43g.
Acros AZ-55 ZS55/30+40 Lower HeadsetBuilt for handling the intensity from MTB trails and road-racing events, this versatile lower headset is essential for keeping your steering smooth and dependable. It features a durable aluminium construction, which allows it to withstand the increased pressure from longer road journeys as well as the aggressiveness of all-day epics on your mountain bike. Coming complete with stainless steel bearings and an R3 seal, this lower headset gives you sleek operation in all-weather conditions.Features: Headset Material: Aluminium Bearing Material: Stainless SteelSeal Material: R3 (Metal-reinforced Rubber) Use: Road, MTB Steerer Diameter: 1.5" Headset Type: Semi-integrated Part Number: 4602601R1SBuy Acros Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Acros Ai-52 IS52/30+40 Lower HeadsetPerfect for updating your existing lower headset interface, this lower headset features a resilient aluminium construction. This makes it capable of handling the increased pressure on all-day epics on your mountain bike as well as long-distance rides on your road bike. Allowing your fork's steerer to rotate inside your frame's headtube, this lower headset is equipped with stainless steel bearings. This gives it an extra layer of durability in both wet and dry riding conditionsFeatures: Headset Material: Aluminium Bearing Material: Stainless Steel Seal Material: R3 (Metal-reinforced Rubber) Use: Road, MTBSteerer Diameter: 1.5"Headset Type: IntegratedPart Number: 4802601R1SBuy Acros Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Zerostack construction forms are widely used through their advantages, of a low overall height and bearing shells.Features:Stainless - Industry - Angular contact ball bearings, double sealed,CNC - made in Germany / Al2000 series,R3 seal (metal sheet supported rubber seal).Technical Specifications:Fork steerer:30mm/1 1/8" / 40mm/1.5",Cup skirt Ø: 56mm,Cup skirt length: 10mm,Weight: 53g.
Zerostack construction forms are widely used through their advantages, of a low overall height and bearing shells.Features:Stainless - Industry - Angular contact ball bearings, double sealed,CNC - made in Germany / Al2000 series,R3 seal (metal sheet supported rubber seal).Technical Specifications:Fork steerer:30mm/1 1/8" / 40mm/1.5",Cup skirt Ø: 55mm,Cup skirt length: 10mm,Total stack high: 3,0mm,Weight: 53g.
Zerostack construction forms are widely used through their advantages, of a low overall height and bearing shells.Features:Stainless - Industry - Angular contact ball bearings, double sealed,CNC - made in Germany / Al2000 series,R3 seal (metal sheet supported rubber seal).Technical Specifications:Fork steerer:30mm/1 1/8",Cup skirt Ø: 49mm,Cup skirt length: 15mm,Total stack high: 7,5mm,Weight: 67g.
Acros Ai-42 IS42/28.6 Upper HeadsetProviding a smooth rotatable interface between your bike's fork and headtube, this upper headset gives you dependable steering performance. It features a rock-solid aluminium construction, which makes it more than capable of handling all the abuse that's associated with road-racing and mountain bike trail-riding. Coming equipped with stainless steel bearings and an R3 seal, this is a perfect upgrade for reliable performance in all-weather conditions.Features: Headset Material: Aluminium Bearing Material: Stainless Steel Seal Material: R3 (Metal-reinforced Rubber) Use: Road, MTB Steerer Diameter: 1 1/8" Bearing Fit: 42mm Total Stack Height: 13mm Headset Type: Integrated Part Number: 2602605R1LSWeight: 50g (approx)Buy Acros Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Acros AZX-589 HeadsetSpecifically made to meet the extra demands of electric mountain bikes (E-MTBs), the Acros AZX-589 Headset delivers super-smooth performance, so you can enjoy responsive steering as you attack the toughest trails. This tapered headset adopts the larger 66mm lower headtube sizing standard, which is becoming increasingly popular with E-MTB frames due to the extra strength that this thicker lower headtube provides.Features: Headset Type: Semi-Integrated ZS56/66 Steerer Compatibility: 1.1/8" - 1.5" tapered Cone Race: 39.8mm Upper Cuper inner Diameter: 56mm Upper Cup Outer Diameter: 62mm Lower Cup Inner Diameter: 66mm Lower Cup Outer Diameter: 76mmmBuy Acros Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Acros’ proven bearing and sealing technology ensure a long service life for their bottom brackets. The angular contact ball bearings used to absorb the combined axial and radial forces which occur, for example, during weighing and are better than conventional deep groove ball bearings from other manufacturers. A special bearing grease ensures a stable lubricating film at high loads and "low" speeds, is also highly water-repellent and offers high resistance to washing out. The new R1 version combines materials and technologies from MTB and road bottom brackets.Key Features:Rubber lip seal + dust cap,Angular contact ball bearing, double sealed.