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Low friction bearings- Each derailleur pulley wheel includes a hybrid ceramic bearing lubricated with an additional coating of grease and protective dust caps for longevity, higher load tolerance, and lessened frictioned when compared to steel bearings
Lightweight Design - Each pair of 13-teeth Ceramic Pulley wheels weigh only 24g. The lightweight design paired with the strong 7075 billet aluminum used to manufacture them gives our pulleys a higher strength-to-weight ratio and flawless shifting properties
Compatible with all Shimano 12 Speed MTB Rear Derailleurs - The JRC Components Hybrid Ceramic Pulley Wheels feature low friction bearings and crisp shifting making them the perfect upgrade for your Shimano MTB System
Low friction bearings- Each derailleur pulley wheel includes a hybrid ceramic bearing lubricated with an additional coating of grease and protective dust caps for longevity, higher load tolerance, and lessened frictioned when compared to steel bearings
Lightweight Design - Each pair of 13-teeth Ceramic Pulley wheels weigh only 24g. The lightweight design paired with the strong 7075 billet aluminum used to manufacture them gives our pulleys a higher strength-to-weight ratio and flawless shifting properties
Compatible with all Shimano 12 Speed MTB Rear Derailleurs - The JRC Components Hybrid Ceramic Pulley Wheels feature low friction bearings and crisp shifting making them the perfect upgrade for your Shimano MTB System
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sealed chromoly bearings: the rollerboys jockey wheels are equipped with sealed crmo bearings for longer durability and silent operation compared to pulley wheels without ball bearings
quick shifting performance: the rollerboys will keep you rolling and make your bike ride so smooth that you will never stop anymore the special 10 teeth pattern makes sure you can shift to a higher gear with the speed of light
durable and strong: made of grivory ems, this nylon composite material has a 40% glass fiber mixture which makes it extra strong and durable compared to regular nylon materials
ULTRALIGHT AND RESISTANT: CNC machined with aluminum alloy that ensures maximum strength and durability with the least weight (Ultralight 10g) and a perfect finish. The MTB jockey wheels are anodized in 5 different colors (black, red, blue, gold and silver) to prevent rust and corrosion
IMPROVES PEDALING SPEED BY REDUCING FRICTION: The ceramic inner bearing, specially designed for cycling, has minimal friction that significantly improves performance thanks to a much smoother transmission
ULTRALIGHT AND RESISTANT: CNC machined with aluminum alloy that ensures maximum strength and durability with the least weight (Ultralight 10g) and a perfect finish. The MTB jockey wheels are anodized in 5 different colors (black, red, blue, gold and silver) to prevent rust and corrosion
IMPROVES PEDALING SPEED BY REDUCING FRICTION: The ceramic inner bearing, specially designed for cycling, has minimal friction that significantly improves performance thanks to a much smoother transmission
Wide Compatibility: Suitable for mountain bikes or road bikes and compatible with various rear speed derailleurs, compatible with SHIMANO and compatible with SRAM 8, 9, 10, 11, and 12-speed derailleurs.
Ultralight and Durable: Constructed with CNC aluminum alloy, these jockey wheels offer maximum strength and durability while being ultralight.
Improved Pedaling Speed: The ceramic inner bearing reduces friction, leading to much smoother transmission and enhanced pedal performance.
Wide Compatibility : Suitable for mountain bikes or road bikes and compatible with various rear speed derailleurs, compatible with SHIMANO and compatible with SRAM 8, 9, 10, 11, and 12-speed derailleurs.
Ultralight and Durable : Constructed with CNC aluminum alloy, these jockey wheels offer maximum strength and durability while being ultralight.
Improved Pedaling Speed : The ceramic inner bearing reduces friction, leading to much smoother transmission and enhanced pedal performance.
Low friction bearings- Each derailleur pulley wheel includes a hybrid ceramic bearing lubricated with an additional coating of grease and protective dust caps for longevity, higher load tolerance, and lessened frictioned when compared to steel bearings
Lightweight Design - Each pair of 13-teeth Ceramic Pulley wheels weigh only 24g. The lightweight design paired with the strong 7075 billet aluminum used to manufacture them gives our pulleys a higher strength-to-weight ratio and flawless shifting properties
Compatible with all Shimano 12 Speed MTB Rear Derailleurs - The JRC Components Hybrid Ceramic Pulley Wheels feature low friction bearings and crisp shifting making them the perfect upgrade for your Shimano MTB System
ULTRALIGHT AND RESISTANT: Made with CNC aluminum alloy that ensures maximum strength and durability with the least weight (Ultralight 10g). CNC machining construction maximizes quality for a perfect finish. The guide wheel pulleys are anodized to prevent rust and corrosion, thus ensuring prolonged use
IMPROVES PEDALING SPEED BY REDUCING FRICTION: The ceramic inner bearing, specially designed for cycling, has minimal friction that significantly improves performance thanks to a much smoother transmission
COMPATIBILITY: Component or bike replacement, available in 5 different colours (black, red, blue, gold and silver). Compatible with most rear speed derailleuyr: 8 speed derailleur, 9 speed derailleur, 10 speed derailleur, 11 speed derailleur and 12 speed derailleur. Compatible with SHIMANO derailleur, SRAM derailleur, 6800 xt, 6700 xt, etc... Also for electric bike and urban bike. Includes accessory for compatibility with 4mm, 5mm and 6mm derailleurs
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