SRAM Red E1 XG-1290 10-28 12 Speed Cassette Rainbow size-38mm About Park Tool Hex Precision

About Park Tool Hex Precision Driver 3mm (DHD-3)Professional quality component hex driver precisely machined to exact standards to ensure a perfect fit on compatible component fasteners

Chain stabilizer reduces chain drop

Ideal for racers and park rats alike

the mechanism of the Steel-O-Flex™ Tresorflex 6615C is effectively equipped to protect against tampering thanks to its special touch protection

SRAM Red E1 XG-1290 10-28 12 Speed Cassette Rainbow size-38mm About Park Tool Hex PrecisionAbout SRAM Red E1 XG 1290 10 28 12 Speed Cassette Rainbow Wide range and tight jumps? Why not both? SRAM's lightest, most durable cassette breaks new ground for gearing choices as well. Four distinct cassette options, including SRAM's first 10 30T and 10 36T RED cassettes, each provide secure shift ramps specifically designed for electronic shifting, whether racing road on a 10 28T or creating an all road setup with a 10 36T. Carefully chosen tooth