The steps between 1, 2, 3, 4, and 5 on the Shimano 51 tooth are much more pleasant and useful with 6/6/6/5 jumps than 10/6/4/4 tooth jumps on the SRAM 52:
Shimano: 28-33-39-45-51
SRAM12: 28-32-36-42-52
That is the single largest reason I went Shimano. I shift a LOT more on the low end than I did with SRAM.
Oval 30/51 on a 29er means that a slow cadence is just short of wander-wheel/fall-over speed. The people who have 28/52 on a 27.5... yeesh!
30/10 can run out of gas on a black/double flow trail in the bike park. If I had XD I probably would have done E13 9-50
Shimano: 28-33-39-45-51
SRAM12: 28-32-36-42-52
That is the single largest reason I went Shimano. I shift a LOT more on the low end than I did with SRAM.
Oval 30/51 on a 29er means that a slow cadence is just short of wander-wheel/fall-over speed. The people who have 28/52 on a 27.5... yeesh!
30/10 can run out of gas on a black/double flow trail in the bike park. If I had XD I probably would have done E13 9-50
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