• SYB 215: Pro 2XL 21.5" Top Tube
• B52 Oversized Tech BB
• 1 1/8" to 1.5" Head Tube
• 10/15/20mm Rear Hub Compatible
• 406mm Wheel with Disc Brake Mount
• Fits 140mm disc brake rotor only
• Integrated Chain Tensioners
• Includes B52 Adapter to any Crank standard (uses BBT-18 Tool, not included)

Material:

• 6061-T6 Aluminum

Specifications:

• Tapered 42/52 Integrated Head Tube
• 27.2 Seat Post
• 31.8 Seat Tube Clamp
• B52 BB Shell
• 110mm O.L.D. Rear hub spacing
• Disc Only, Post Mount, 140mm Rotor
• Internal rear brake cable routing
• Integrated Chain Tensioner w/ 38mm of adjustment
• Includes axle hardware for 10mm bolt-on, 15mm Thru Axle and 20mm Thru Axle
• Frame width for 15mm Thru Axle: 173mm
• Frame width for 20mm Thru Axle: 163mm
• Includes BB adaptors for standard European bottom brackets

Weight

• 4.1 lbs / 1859 g