While Bontrager's Earl grips use ODI's Lock-On system, the slightly more costly Big Earl features a very effective system with threaded expanding ends, and you get a flat spanner with each set of grips for tightening.
The centre body of the grip has a 7mm smaller circumference than the Earl, which we like - we're fans of skinny grips - and we particularly like the sticky grip compound. The Big Earl comes with end caps too.
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