Is BB92 the same as BB71?
BB91 is a model code, BB92 is a frame format (as is BB90, although it’s actually 89.5mm). BB91 (and BB71 for a lower-spec version) will fit both BB90 (with a 2.5mm spacer) and BB92 (no spacer). However, just to be a pain in the arse, there are two diameters, 41mm & 42mm.
What is a BB71 bottom bracket?
The Shimano SM-BB71 PressFit Bottom Bracket 86.5mm is a complete Ultegra press-fit bottom bracket assembly for Shimano HollowTech II road cranks. This bottom bracket has a 41mm cup diameter and is compatible with 86.5mm shells.
How long does a Shimano press fit bottom bracket last?
Simple rule is (unless you’re starting a long trip) “if it ain’t broke don’t fix it”. Do normal maintenance, keep things properly lubed and your BB should last for another 4,000 miles or more.
What is Shimano BB71?
The Shimano BB71 Road Press Fit Bottom Bracket is a high-quality Ultegra level bottom bracket component for use with Shimano HollowTech II road chainsets.
How often should you replace a press fit bottom bracket?
It’s been close to 2.5 years with it and between 10-15,000 miles.
Can you reuse a press fit bottom bracket?
According to GCN and their video on press fit BB removal, press fit bearings are not designed to be removed and re-used.
How long does a press fit bottom bracket last?
What makes a Shimano bottom bracket press fit?
To meet customer needs in the best possible way, SHIMANO has developed the press-fit bottom bracket, staying focused on our final goal: total performance in pedaling. The bottom bracket axle is steadily supported by the wide placed bearings on the basis of HOLLOWTECH II technologies providing highly-efficient power transfer.
How big is the bottom bracket on a sm-bb71-41a?
SM-BB71-41A. SAINT – Bottom Bracket – Press-Fit – HOLLOWTECH II – 89.5/92 mm shell width Compatible with SAINT cranks, the SAINT bottom bracket is offered in 89.5/92 and 104.5/107mm widths.
Is the XT smbb7141a suitable for MTB?
The XT SMBB7141A has a 93mm sleeve suitable for MTB frames – I’m not entirely sure which standard this is. By Chris Gold on 13 February 2018 So, at least the width of the sleeve is different, and one is marketed for road bikes (hence the Ultegra branding), while another one is for MTB (hence the XT sticker).
What’s the best way to install a Shimano crank?
Step 1: Start by removing your crankset, loosen the bolts on the non drive side, alternate between the two until the bolts are loose. Next, use the Shimano crank installation tool, TL-FC16 to loosen the crank arm fixing bolt then flick up the lock plate from the crank arm with a small pin or a flat head screw driver.