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Upgrade or replacement rear derailleur dropouts stiffer and more rigid to improve shifting performance CNC machined from solid 6061 aluminium to exact tolerances Stiffer than any original equipment hanger which improves shifting performance Still breaks before your frame does to perform its main function All hangers come with instructions and hardware Direct replacement for original equipment with guaranteed fit Black anodised for extra scratch and damage resistance Laser etched for easy part identification

eBay offers you smart deals and the widest selection, ranging from the everyday basics to things that are as unique as yourself. With millions of items to choose from, great deals are always just a click away.

Wheels Mfg Ceramic sealed cartridge bearing 6903 - 17 mm inner - 30 mm outer -7 mm width: High quality ceramic bearings for higher performance Ceramics are harder than steel, so they have less rolling resistance Ceramics are more round than steel, also decreasing rolling resistance Ceramics are much lighter than steel, decreasing overall weight Ceramics require less lubricant, reducing maintenance Heat treated steel races and sealed for longevity Ceramics, due to their hardness, destroy foreign particles into a fine dust thus reducing wear to steel bearing races from said particles These bearings are rated at grade 5 meaning they are out of roundness by 5/1000 of a millimetre, 500% more round than the highest quality steel bearing, 6000% more round than a low quality bearing Typical weight reduction on a rear hub would be about 40 g though results may vary Comes as a single cartridge bearing

Wheels Mfg Ceramic derailleur pulley wheels for Shimano / SRAM 11 tooth pulleys: A superb upgrade for reducing the rolling resistance of your drivetrain 11 tooth pulley wheels for Shimano or SRAM rear derailleur's Grade 5 ceramic bearings housed in steel raced cartridge Super smooth to reduce drivetrain friction and increase efficiency

High quality ceramic bearings for higher performance Ceramics are harder than steel, so they have less rolling resistance Ceramics are more round than steel, also decreasing rolling resistance Ceramics are much lighter than steel, decreasing overall weight Ceramics require less lubricant, reducing maintenance Ceramics, due to their hardness, destroy foreign particles into a fine dust thus reducing wear to steel bearing races from said particles These bearings are rated at grade 5 meaning they are out of roundness by up to 5/1000 of a millimetre, 500% more round than the highest quality steel bearing, 6000% more round than a low quality bearing Typical weight reduction on a rear hub would be about 40 g, although results may vary Comes in a plastic, reusable container for use in the workshop so spare bearings won't get lost or soiled

Precision machined cones in a comprehensive kit: includes dustcovers, o-rings and seals required for all hub repairs Comes in a compartmentalised case to keep all cones organised with full descriptions Each kit contains: 4 x Joytech -Joy U / KK 10 x 1 mm - rear 4 x Sovos 10 x 1 mm - rear 4 x Sovos 9 x 1 mm - front 4 x Joytech - Joy U / KK 9 x 1 mm - front 4 x Joytech 9 mm x 26 tpi - front 2 x Joytech 10 mm x 26 tpi - rear 4 x Joytech 9 x 1 mm - front Parallax style

Wheels Mfg M5 x 12 mm button head aluminium bolt - for water bottle cage - black: Ultra light weight bottle cage bolts for those who have lightweight high-end frames Just like the high end water bottle bolts that come with top end frames

High quality ceramic bearings for higher performance Ceramics are harder than steel, so they have less rolling resistance Ceramics are more round than steel, also decreasing rolling resistance Ceramics are much lighter than steel, decreasing overall weight Ceramics require less lubricant, reducing maintenance Ceramics, due to their hardness, destroy foreign particles into a fine dust thus reducing wear to steel bearing races from said particles These bearings are rated at grade 5 meaning they are out of roundness by up to 5/1000 of a millimetre, 500% more round than the highest quality steel bearing, 6000% more round than a low quality bearing Typical weight reduction on a rear hub would be about 40 g, although results may vary Comes in a plastic, reusable container for use in the workshop so spare bearings won't get lost or soiled