JT SPROCKETS Twinstar Steel-aluminum Hybrid Sprocket Black, Red

Steel outer ring
Heat-induction hardened high-carbon steel
JT advanced tempering process achieves hardness that could last six times longer than a 7075-T6 aluminum sprocket, enhancing power transfer performance
Alu core
Lightweight aviation-grade ergal 7075-T6 aluminum
Precision made using state of the art laser cutting and CNC equipment, resulting in an ultra lightweight race power design

COLOR	Black| Red
Chain Size	520
Color/Finish	Black, Red
MATERIAL	7075-T6 Aluminum| Carbon Steel
Material	Carbon Steel, 7075-T6 Aluminum
Mounting Position	Rear
PITCH	520
POSITION	Rear
PRODUCT NAME	Sprocket
Product Name	Sprocket
STYLE	Twinstar
Style	Twinstar
TEETH	49
TYPE	Drive
Tooth Count	49
Type	Drive
UNITS	Each
Units	Each
Vendor part number	JTX210.49RED

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