Aim for about one inch of clearance if the bike has a traditional straight.
													
																	Road bike standover. 
									
		
	
	
		
	
	
		
	
	
		
	
																	Just like your pants inseam off the ground increases with platform shoes your bike s standover height will increase if you add bigger tires. 
																	That s why you usually won t see standover height listed on frame specs when components aren t specified. 
																	If the bike has a traditional straight top tube that is parallel to the ground you should have approximately 1 of clearance between the ground and tires when you lift the bike as you re straddling it. 
																	The bike s actual standover height is the the middle of the top tube. 
															
													
									
		
	
	
		
	
	
		
	
	
		
	
																	If your inseam measurement clears the frame s standover by a bit say at least 2 3cm for a road bike and a bit more for a mountain bike then you should be ok. 
																	There you ve got a frame that should fit pretty close. 
																	And swapping out for 27 5 tires seems to be a popular change mountain bike modification. 
																	Begin by checking standover height which is the distance between the top tube and your crotch when straddling the bike. 
															
													
									
		
	
	
		
	
	
		
	
	
		
	
																	Here s how to measure. 
																	If the bike has a sloping top tube semi compact or compact design expect to have clearance of 2 or more. 
																	Stand over the frame in the center with your feet flat on the floor.