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Description Style
Black
Gold Silver
List
40T-Rex Cog Shimano
91-9477 91-9479 91-9481 $96.95
40T-Rex Cog
SRAM
91-9478 91-9480 91-9494 96.95
40T-REX COGS
• Adapts a 11-36 10spd cassette to give an 11-40t
range
• T-REX ring installs behind existing cassette,
replacing one of the smaller sprockets, usually 17t
• Shimano and SRAM specific tooth profiles and
shifting
• Compatible with Shimano XT and XTR 11-36 10spd
cassettes
• Compatible with SRAM PG1030, PG1050 and
PG1070 11-36 cassettes
Description
Style
Black
Red
Blue
List
E13 Extended Cog 40T Shimano
91-9600K 91-9600R 91-9600B
$69.95
E13 Extended Cog 42T Shimano
91-9601K 91-9601R 91-9601B
69.95
E13 Extended Cog 42T Sram
91-9602K 91-9602R 91-9602B
69.95
EXTENDED RANGE COGS
• Make your move to 1X and crush the steepest climbs with the
EX cog.
• Shifts stay crisp thanks to e*thirteen shift know-how and the
anodized aluminum resists flex under heavy power. Pair with a
dual width Guidering M and you are ready to go. Replaces 15t
or 17t cog on existing cassette. Extra strong at base to prevent
flex, stand-offs brace EX cog against cassette rings or carrier.
Includes longer B-limit screw for proper adjustment.
• Material: Aluminum
• Thickness: 5mm
• Compatibility: 10 speed
• Weight: 70g (40t) / 77g (42t)
Description
Speed Black
List
CASSETTE 9-10-12-14-17-20-24-28-35-42
10 speed
91-9610
$289.00
CASSETTE 9-10-12-14-17-20-24-28-35-38-44 11 speed
91-9611
319.00
TRS PLUS CASSETTE
• The new TRS+ Cassette is all about range. Using a unique
3 piece assembly and exclusive 9t cog, the TRS+ cassette
offers a massive 9-44 tooth range in the 11 speed version.
More range lets you clean steeper climbs and blast the
descents!
• The largest cogs are precision machined from aluminum
and attach to a SRAM XD driver body with a lockring. The
remaining eight steel cogs lock into place with a chain whip.
• The steel cog pieces are shared between the 10 and 11 speed
versions, and high wear parts are available individually, which
means replacing worn parts, or upgrading from 10-11sp is
possible without buying a whole new cassette.
• Weight: 10sp - 300 grams / 11sp - 320 grams
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