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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Trek: 4 Series - 2010-2014 / 4300 Disc - 2012 / 4500 Disc - 2012 / 6000 - 2012 / 6000 WSD - 2012 / 7
- Fits Shimano & ISIS splined 20t bottom bracket cups
- Adjustable spring tension lets you adjust for cassette size and chain length to find the lowest possible tension (and lowest watts lost) for your needs
KL9551 BR2155 13595
Manufacturer Part Number: TR2UNA-113
SRAM/Truvativ X0 X9 39T 120mm GXP Chainring Use with 26T Tapping & Threading Tools Trek: 4 Series - 2010-20147075 T6 aluminum construction with a blast black anodized finish treatment and CNC laser detailing for 10 speed drivetrains (X0 level) \n For inner 22 24t 64mm BCD (AM) chainrings see 8 9sp 'Mtn Aluminum' group \n Thick taper outer ring specific to SRAM cranks and employ a threaded tab for direct mount chainring bolts (outer chainrings specific to GXP or BB30 cranks) \n Middle outer rings employ perfect timed shift pins and ramps for precise shifting
US$ 98.99
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