Find the 'Shimano XTR M9220 Brakes First Impressions & Review - Optimized Precision' article on Worldwide Cyclery. Once located, summarize the key performance characteristics and improvements of the brakes as described in the 'Ride Impressions' section and the paragraphs immediately preceding it.
Navigate to worldwidecyclery.com. Click on the 'Read' link to access articles and reviews. Locate and click on the 'Shimano XTR M9220 Brakes First Impressions & Review - Optimized Precision' article. Scroll down the article to find the 'Ride Impressions' section. Read the 'Ride Impressions' section and the preceding paragraphs to identify the primary performance impressions and improvements. State the key takeaways regarding the brakes' performance on the trail and their improvements.
Successfully locate and open the 'Shimano XTR M9220 Brakes First Impressions & Review - Optimized Precision' article. State that the brakes retain the 'classic, snappy Shimano lever feel'. State that previous issues like 'wandering bite point, pad rattle, and fragile pistons' have been addressed. Mention improvements such as the redesigned lever pivot point for natural finger path, refined asymmetrical upswept lever shape, redesigned SERVO WAVE track for smooth power, new ERGO FLOW lever design for consistent rebound speed, reformulated low-viscosity mineral oil, and improved brake hose exit aesthetic.